{"columns":[{"name":"id","type":"string"},{"name":"street","type":"string"},{"name":"unit","type":"string"},{"name":"city","type":"string"},{"name":"state","type":"string"},{"name":"zip","type":"int64"},{"name":"lat","type":"double"},{"name":"lng","type":"double"},{"name":"property_type","type":"string"},{"name":"beds","type":"int32"},{"name":"baths","type":"double"},{"name":"sqft","type":"int64"},{"name":"lot_sqft","type":"int64"},{"name":"year_built","type":"int32"},{"name":"status","type":"string"},{"name":"list_price","type":"int64"},{"name":"last_sold_price","type":"int64"},{"name":"last_sold_date","type":"string"},{"name":"heating_type","type":"string"},{"name":"central_air","type":"bool"},{"name":"hoa_fee","type":"int32"},{"name":"pool","type":"bool"},{"name":"garage","type":"bool"},{"name":"waterfront","type":"bool"},{"name":"fireplace","type":"bool"},{"name":"basement","type":"bool"},{"name":"listing_type","type":"string"},{"name":"parcel_apn","type":"string"},{"name":"county_fips","type":"string"},{"name":"source_count","type":"int32"},{"name":"price_history","type":"list<element: struct<date: string, event: string, price: int64>>"},{"name":"tax_history","type":"list<element: struct<year: int32, amount: int64, assessment: int64>>"}],"n_rows":75,"rows_kept":75,"cut":false,"text_format":"parquet-jsonl-2026-10-02","bounds":{"document_bytes":16777216,"package_text_limit_bytes":33554432,"package_text_slack_bytes":1024,"rows_first":2000,"rows_last":500,"rows_between":2000,"halvings":0,"cell_chars":16384,"cell_head_chars":4096,"vector_min":64,"vector_head_fixed":16,"vector_head_variable":64,"kv_value_chars":1048576,"nesting_max":64,"binary_text":true},"cells_cut":0,"cells_bad_utf8":0,"cells_raw":0,"cells_binary":0,"cells_binary_text":0,"cells_vector":0,"n_row_groups":1,"reader":"pyarrow 23.0.1, python 3.13","created_by":"DuckDB version v1.4.4 (build 6ddac802ff)","schema":{"fields":[{"name":"id","type":"string","nullable":true,"metadata":null,"children":null},{"name":"street","type":"string","nullable":true,"metadata":null,"children":null},{"name":"unit","type":"string","nullable":true,"metadata":null,"children":null},{"name":"city","type":"string","nullable":true,"metadata":null,"children":null},{"name":"state","type":"string","nullable":true,"metadata":null,"children":null},{"name":"zip","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"lat","type":"double","nullable":true,"metadata":null,"children":null},{"name":"lng","type":"double","nullable":true,"metadata":null,"children":null},{"name":"property_type","type":"string","nullable":true,"metadata":null,"children":null},{"name":"beds","type":"int32","nullable":true,"metadata":null,"children":null},{"name":"baths","type":"double","nullable":true,"metadata":null,"children":null},{"name":"sqft","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"lot_sqft","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"year_built","type":"int32","nullable":true,"metadata":null,"children":null},{"name":"status","type":"string","nullable":true,"metadata":null,"children":null},{"name":"list_price","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"last_sold_price","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"last_sold_date","type":"string","nullable":true,"metadata":null,"children":null},{"name":"heating_type","type":"string","nullable":true,"metadata":null,"children":null},{"name":"central_air","type":"bool","nullable":true,"metadata":null,"children":null},{"name":"hoa_fee","type":"int32","nullable":true,"metadata":null,"children":null},{"name":"pool","type":"bool","nullable":true,"metadata":null,"children":null},{"name":"garage","type":"bool","nullable":true,"metadata":null,"children":null},{"name":"waterfront","type":"bool","nullable":true,"metadata":null,"children":null},{"name":"fireplace","type":"bool","nullable":true,"metadata":null,"children":null},{"name":"basement","type":"bool","nullable":true,"metadata":null,"children":null},{"name":"listing_type","type":"string","nullable":true,"metadata":null,"children":null},{"name":"parcel_apn","type":"string","nullable":true,"metadata":null,"children":null},{"name":"county_fips","type":"string","nullable":true,"metadata":null,"children":null},{"name":"source_count","type":"int32","nullable":true,"metadata":null,"children":null},{"name":"price_history","type":"list<element: struct<date: string, event: string, price: int64>>","nullable":true,"metadata":null,"children":[{"name":"element","type":"struct<date: string, event: string, price: int64>","nullable":true,"metadata":null,"children":[{"name":"date","type":"string","nullable":true,"metadata":null,"children":null},{"name":"event","type":"string","nullable":true,"metadata":null,"children":null},{"name":"price","type":"int64","nullable":true,"metadata":null,"children":null}]}]},{"name":"tax_history","type":"list<element: struct<year: int32, amount: int64, assessment: int64>>","nullable":true,"metadata":null,"children":[{"name":"element","type":"struct<year: int32, amount: int64, assessment: int64>","nullable":true,"metadata":null,"children":[{"name":"year","type":"int32","nullable":true,"metadata":null,"children":null},{"name":"amount","type":"int64","nullable":true,"metadata":null,"children":null},{"name":"assessment","type":"int64","nullable":true,"metadata":null,"children":null}]}]}],"parquet":"required group field_id=-1 duckdb_schema {\n  optional binary field_id=-1 id (String);\n  optional binary field_id=-1 street (String);\n  optional binary field_id=-1 unit (String);\n  optional binary field_id=-1 city (String);\n  optional binary field_id=-1 state (String);\n  optional int64 field_id=-1 zip (Int(bitWidth=64, isSigned=true));\n  optional double field_id=-1 lat;\n  optional double field_id=-1 lng;\n  optional binary field_id=-1 property_type (String);\n  optional int32 field_id=-1 beds (Int(bitWidth=32, isSigned=true));\n  optional double field_id=-1 baths;\n  optional int64 field_id=-1 sqft (Int(bitWidth=64, isSigned=true));\n  optional int64 field_id=-1 lot_sqft (Int(bitWidth=64, isSigned=true));\n  optional int32 field_id=-1 year_built (Int(bitWidth=32, isSigned=true));\n  optional binary field_id=-1 status (String);\n  optional int64 field_id=-1 list_price (Int(bitWidth=64, isSigned=true));\n  optional int64 field_id=-1 last_sold_price (Int(bitWidth=64, isSigned=true));\n  optional binary field_id=-1 last_sold_date (String);\n  optional binary field_id=-1 heating_type (String);\n  optional boolean field_id=-1 central_air;\n  optional int32 field_id=-1 hoa_fee (Int(bitWidth=32, isSigned=true));\n  optional boolean field_id=-1 pool;\n  optional boolean field_id=-1 garage;\n  optional boolean field_id=-1 waterfront;\n  optional boolean field_id=-1 fireplace;\n  optional boolean field_id=-1 basement;\n  optional binary field_id=-1 listing_type (String);\n  optional binary field_id=-1 parcel_apn (String);\n  optional binary field_id=-1 county_fips (String);\n  optional int32 field_id=-1 source_count (Int(bitWidth=32, isSigned=true));\n  optional group field_id=-1 price_history (List) {\n    repeated group field_id=-1 list {\n      optional group field_id=-1 element {\n        optional binary field_id=-1 date (String);\n        optional binary field_id=-1 event (String);\n        optional int64 field_id=-1 price (Int(bitWidth=64, isSigned=true));\n      }\n    }\n  }\n  optional group field_id=-1 tax_history (List) {\n    repeated group field_id=-1 list {\n      optional group field_id=-1 element {\n        optional int32 field_id=-1 year (Int(bitWidth=32, isSigned=true));\n        optional int64 field_id=-1 amount (Int(bitWidth=64, isSigned=true));\n        optional int64 field_id=-1 assessment (Int(bitWidth=64, isSigned=true));\n      }\n    }\n  }\n}\n"},"kv_metadata":[]}
["stp_vjOb2WObzV","214 Church St",null,"Welton","IA",52774,41.90826,-90.594055,"single_family",2,1.0,795,15000,1890,"off_market",91600,48000,"2012-08-21","forced_air",null,null,null,true,null,null,null,null,"6600270000","19045",1,[{"date":"2012-08-21","event":"sold","price":48000}],[{"year":2023,"amount":1506,"assessment":91270},{"year":2022,"amount":1108,"assessment":85140},{"year":2021,"amount":1120,"assessment":61980},{"year":2020,"amount":1080,"assessment":59350},{"year":2019,"amount":1135,"assessment":59350},{"year":2018,"amount":964,"assessment":59350},{"year":2017,"amount":1140,"assessment":47590},{"year":2016,"amount":918,"assessment":47590},{"year":2015,"amount":918,"assessment":47590},{"year":2014,"amount":928,"assessment":39490},{"year":2013,"amount":752,"assessment":null},{"year":2012,"amount":708,"assessment":null}]]
["stp_GjE5GwmDjv","215 Barker St",null,"Welton","IA",52774,41.914177,-90.60511,"single_family",4,1.0,1639,41756,1890,"off_market",157600,65000,"2012-04-09","forced_air",null,null,null,true,null,null,true,null,"6600643250","19045",1,[{"date":"2012-04-09","event":"sold","price":65000}],[{"year":2023,"amount":1908,"assessment":125040},{"year":2022,"amount":1590,"assessment":116690},{"year":2021,"amount":1610,"assessment":97980},{"year":2020,"amount":1710,"assessment":93910},{"year":2019,"amount":1796,"assessment":93910},{"year":2018,"amount":1522,"assessment":93910},{"year":2017,"amount":1636,"assessment":93910},{"year":2016,"amount":1282,"assessment":75240},{"year":2015,"amount":1282,"assessment":75240},{"year":2014,"amount":1298,"assessment":75240},{"year":2013,"amount":1264,"assessment":null},{"year":2012,"amount":1150,"assessment":null}]]
["stp_pjdZedeW1P","207 Church St",null,"Welton","IA",52774,41.90865,-90.594955,"single_family",4,2.5,1888,8250,1910,"off_market",161900,116000,"2005-07-27","other",null,null,null,null,null,null,null,null,"6600180000","19045",1,[{"date":"2005-07-27","event":"sold","price":116000}],[{"year":2023,"amount":2196,"assessment":144310},{"year":2022,"amount":2028,"assessment":132930},{"year":2021,"amount":2034,"assessment":122460},{"year":2020,"amount":2118,"assessment":116340},{"year":2019,"amount":2225,"assessment":116340},{"year":2018,"amount":1863,"assessment":116340},{"year":2017,"amount":2066,"assessment":116340},{"year":2016,"amount":1606,"assessment":91960},{"year":2015,"amount":1606,"assessment":91960},{"year":2014,"amount":1626,"assessment":91960},{"year":2013,"amount":1582,"assessment":null},{"year":2012,"amount":1514,"assessment":null},{"year":2011,"amount":1464,"assessment":null},{"year":2010,"amount":1398,"assessment":null},{"year":2009,"amount":1282,"assessment":null},{"year":2008,"amount":1206,"assessment":null},{"year":2007,"amount":1236,"assessment":null},{"year":2005,"amount":488,"assessment":null}]]
["stp_DkXl8Y8AkA","211 Church St",null,"Welton","IA",52774,41.90873,-90.5947,"single_family",3,1.5,1620,16500,2005,"off_market",239800,20000,"2002-03-01","forced_air",null,null,null,true,null,null,null,null,"6600190000","19045",1,[{"date":"2002-03-01","event":"sold","price":20000}],[{"year":2023,"amount":3220,"assessment":204200},{"year":2022,"amount":2864,"assessment":190860},{"year":2021,"amount":2876,"assessment":169270},{"year":2020,"amount":2931,"assessment":161010},{"year":2019,"amount":3530,"assessment":161010},{"year":2018,"amount":2858,"assessment":184540},{"year":2017,"amount":3374,"assessment":184540},{"year":2016,"amount":2552,"assessment":141020},{"year":2015,"amount":2552,"assessment":141020},{"year":2014,"amount":2582,"assessment":141020},{"year":2013,"amount":2518,"assessment":null},{"year":2012,"amount":2394,"assessment":null},{"year":2011,"amount":2302,"assessment":null},{"year":2010,"amount":2200,"assessment":null},{"year":2009,"amount":2030,"assessment":null},{"year":2008,"amount":1910,"assessment":null},{"year":2007,"amount":982,"assessment":null},{"year":2005,"amount":476,"assessment":null}]]
["stp_qkB4gagRz9","215 Church St",null,"Welton","IA",52774,41.90883,-90.59436,"single_family",3,1.0,1640,16500,1892,"off_market",98400,57500,"1999-08-01","forced_air",null,null,null,true,null,null,true,null,"6600200000","19045",1,[{"date":"1999-08-01","event":"sold","price":57500}],[{"year":2023,"amount":1476,"assessment":103450},{"year":2022,"amount":1062,"assessment":95670},{"year":2021,"amount":1072,"assessment":71810},{"year":2020,"amount":1189,"assessment":68680},{"year":2019,"amount":1251,"assessment":68680},{"year":2018,"amount":1066,"assessment":68680},{"year":2017,"amount":1088,"assessment":68680},{"year":2016,"amount":846,"assessment":55880},{"year":2015,"amount":846,"assessment":55880},{"year":2014,"amount":856,"assessment":55880},{"year":2013,"amount":830,"assessment":null},{"year":2012,"amount":802,"assessment":null},{"year":2011,"amount":782,"assessment":null},{"year":2010,"amount":742,"assessment":null},{"year":2009,"amount":670,"assessment":null},{"year":2008,"amount":688,"assessment":null},{"year":2007,"amount":636,"assessment":null},{"year":2005,"amount":738,"assessment":null}]]
["stp_akY8JBJnjG","306 Church St",null,"Church St","IA",52774,41.908436,-90.59346,"single_family",null,null,null,7500,null,"sold",7500,7500,"2024-08-20",null,null,null,null,true,null,null,null,null,"6600290000","19045",1,[{"date":"2011-09-29","event":"sold","price":6000},{"date":"2024-08-20","event":"sold","price":7500}],[{"year":2024,"amount":92,"assessment":5910},{"year":2023,"amount":102,"assessment":5910},{"year":2022,"amount":148,"assessment":5810},{"year":2021,"amount":154,"assessment":8240},{"year":2020,"amount":148,"assessment":8130},{"year":2019,"amount":155,"assessment":8130},{"year":2018,"amount":194,"assessment":8130},{"year":2017,"amount":156,"assessment":9570},{"year":2016,"amount":360,"assessment":18700},{"year":2015,"amount":360,"assessment":18700},{"year":2014,"amount":364,"assessment":18700},{"year":2011,"amount":212,"assessment":null},{"year":2010,"amount":198,"assessment":null},{"year":2009,"amount":166,"assessment":null},{"year":2008,"amount":155,"assessment":null},{"year":2007,"amount":136,"assessment":null}]]
["stp_81adW8WKkx","107 Church St",null,"Welton","IA",52774,41.90839,-90.595345,"single_family",2,1.0,1164,4950,1890,"sold",25000,25000,"2021-02-17","forced_air",true,null,null,true,null,null,true,null,"6600530000","19045",1,[{"date":"2016-03-31","event":"sold","price":74000},{"date":"2020-08-12","event":"listed","price":null},{"date":"2020-12-03","event":"pending","price":null},{"date":"2020-12-10","event":"listed","price":null},{"date":"2021-01-21","event":"pending","price":null},{"date":"2021-02-17","event":"sold","price":25000}],[{"year":2023,"amount":1144,"assessment":70160},{"year":2022,"amount":808,"assessment":64680},{"year":2021,"amount":652,"assessment":45240},{"year":2020,"amount":786,"assessment":43170},{"year":2019,"amount":826,"assessment":43170},{"year":2018,"amount":689,"assessment":43170},{"year":2017,"amount":662,"assessment":43170},{"year":2016,"amount":492,"assessment":34210},{"year":2015,"amount":492,"assessment":34210},{"year":2014,"amount":498,"assessment":34210},{"year":2013,"amount":482,"assessment":null},{"year":2012,"amount":480,"assessment":null},{"year":2011,"amount":476,"assessment":null},{"year":2010,"amount":452,"assessment":null},{"year":2009,"amount":402,"assessment":null},{"year":2008,"amount":378,"assessment":null},{"year":2007,"amount":344,"assessment":null},{"year":2005,"amount":338,"assessment":null}]]
["stp_ezveypA41L","310 Welton Ave",null,"Welton","IA",52774,41.90937,-90.59304,"single_family",3,2.0,1680,36960,2000,"off_market",252000,144500,"2006-11-22","forced_air",null,null,null,true,null,null,null,null,"6600061000","19045",1,[{"date":"2006-11-22","event":"sold","price":144500}],[{"year":2023,"amount":3422,"assessment":218470},{"year":2022,"amount":2718,"assessment":202230},{"year":2021,"amount":2744,"assessment":161130},{"year":2020,"amount":2804,"assessment":154000},{"year":2019,"amount":2946,"assessment":154000},{"year":2018,"amount":2394,"assessment":154000},{"year":2017,"amount":2788,"assessment":154000},{"year":2016,"amount":2110,"assessment":118140},{"year":2015,"amount":2110,"assessment":118140},{"year":2014,"amount":2136,"assessment":118140},{"year":2013,"amount":2082,"assessment":null},{"year":2012,"amount":1984,"assessment":null},{"year":2011,"amount":1910,"assessment":null},{"year":2010,"amount":1826,"assessment":null},{"year":2009,"amount":1680,"assessment":null},{"year":2008,"amount":1582,"assessment":null},{"year":2007,"amount":1586,"assessment":null},{"year":2005,"amount":2012,"assessment":null}]]
["stp_B1p903E3zn","114 Main St",null,"Welton","IA",52774,41.906673,-90.59457,"single_family",4,2.0,1707,28314,1920,"off_market",181500,82000,"2004-04-30","forced_air",null,null,null,true,null,null,null,null,"6600641000","19045",1,[{"date":"2004-04-30","event":"sold","price":82000}],[{"year":2023,"amount":2858,"assessment":183450},{"year":2022,"amount":1880,"assessment":170370},{"year":2021,"amount":1898,"assessment":114220},{"year":2020,"amount":1988,"assessment":109200},{"year":2019,"amount":2089,"assessment":109200},{"year":2018,"amount":1819,"assessment":109200},{"year":2017,"amount":1928,"assessment":109200},{"year":2016,"amount":1562,"assessment":89760},{"year":2015,"amount":1562,"assessment":89760},{"year":2014,"amount":1582,"assessment":89760},{"year":2013,"amount":1540,"assessment":null},{"year":2012,"amount":1474,"assessment":null},{"year":2011,"amount":1426,"assessment":null},{"year":2010,"amount":1262,"assessment":null},{"year":2009,"amount":1156,"assessment":null},{"year":2008,"amount":1088,"assessment":null},{"year":2007,"amount":1010,"assessment":null},{"year":2005,"amount":956,"assessment":null}]]
["stp_Vk5mZ2pdk8","103 Main St",null,"Welton","IA",52774,41.905502,-90.5948,"single_family",3,1.0,1200,20908,1955,"off_market",null,108500,"2020-07-17","forced_air",null,null,null,true,null,null,null,null,"6600643100","19045",1,[{"date":"2019-07-18","event":"sold","price":50000},{"date":"2020-07-17","event":"sold","price":108500}],[{"year":2025,"amount":2066,"assessment":131070},{"year":2024,"amount":1898,"assessment":122540},{"year":2023,"amount":2038,"assessment":122540},{"year":2022,"amount":1610,"assessment":115100},{"year":2021,"amount":1628,"assessment":90160},{"year":2020,"amount":1569,"assessment":86210},{"year":2019,"amount":1649,"assessment":86210},{"year":2018,"amount":1150,"assessment":86210},{"year":2017,"amount":1488,"assessment":86210},{"year":2016,"amount":926,"assessment":56760},{"year":2015,"amount":926,"assessment":56760},{"year":2014,"amount":938,"assessment":56760},{"year":2013,"amount":912,"assessment":null},{"year":2012,"amount":884,"assessment":null},{"year":2011,"amount":862,"assessment":null},{"year":2010,"amount":820,"assessment":null},{"year":2009,"amount":746,"assessment":null},{"year":2008,"amount":700,"assessment":null},{"year":2007,"amount":648,"assessment":null}]]
["stp_l10mLJonzZ","102 Main St",null,"Welton","IA",52774,41.90529,-90.59279,"single_family",5,1.5,1920,62290,1920,"off_market",207600,143000,"2014-01-10","forced_air",null,null,null,true,null,null,null,null,"6600740010","19045",1,[{"date":"2014-01-10","event":"sold","price":143000}],[{"year":2023,"amount":2454,"assessment":157670},{"year":2022,"amount":1644,"assessment":147550},{"year":2021,"amount":1654,"assessment":100990},{"year":2020,"amount":1752,"assessment":96250},{"year":2019,"amount":1841,"assessment":96250},{"year":2018,"amount":1612,"assessment":96250},{"year":2017,"amount":1680,"assessment":96250},{"year":2016,"amount":1366,"assessment":79530},{"year":2015,"amount":1366,"assessment":79530},{"year":2014,"amount":1382,"assessment":79530},{"year":2013,"amount":1346,"assessment":null},{"year":2012,"amount":1292,"assessment":null},{"year":2011,"amount":1250,"assessment":null},{"year":2010,"amount":1194,"assessment":null},{"year":2009,"amount":1092,"assessment":null},{"year":2008,"amount":1028,"assessment":null},{"year":2007,"amount":954,"assessment":null}]]
["stp_nj90Pq6nzD","210 Kershaw St",null,"Welton","IA",52774,41.91418,-90.60039,"single_family",4,1.5,1459,43560,1930,"off_market",151900,62000,"1999-11-01","forced_air",null,null,null,null,null,true,true,null,"6600820000","19045",1,[{"date":"1999-11-01","event":"sold","price":62000}],[{"year":2023,"amount":2036,"assessment":132360},{"year":2022,"amount":1552,"assessment":123950},{"year":2021,"amount":1574,"assessment":95900},{"year":2020,"amount":1675,"assessment":92020},{"year":2019,"amount":1760,"assessment":92020},{"year":2018,"amount":1344,"assessment":92020},{"year":2017,"amount":1600,"assessment":92020},{"year":2016,"amount":1110,"assessment":66330},{"year":2015,"amount":1110,"assessment":66330},{"year":2014,"amount":1124,"assessment":66330},{"year":2013,"amount":1094,"assessment":null},{"year":2012,"amount":1054,"assessment":null},{"year":2011,"amount":1026,"assessment":null},{"year":2010,"amount":978,"assessment":null},{"year":2009,"amount":892,"assessment":null},{"year":2008,"amount":838,"assessment":null},{"year":2007,"amount":776,"assessment":null},{"year":2005,"amount":858,"assessment":null}]]
["stp_gjP3y62Zzm","402 Seven Day Rd",null,"Welton","IA",52774,41.9131,-90.60227,"single_family",2,1.0,1309,43560,1890,"off_market",144500,92000,"2007-07-03","forced_air",null,null,null,true,null,null,null,null,"6600860000","19045",1,[{"date":"2007-07-03","event":"sold","price":92000}],[{"year":2023,"amount":1820,"assessment":119550},{"year":2022,"amount":1736,"assessment":111690},{"year":2021,"amount":1758,"assessment":106200},{"year":2020,"amount":1852,"assessment":101710},{"year":2019,"amount":1946,"assessment":101710},{"year":2018,"amount":1489,"assessment":101710},{"year":2017,"amount":1784,"assessment":101710},{"year":2016,"amount":1248,"assessment":73480},{"year":2015,"amount":1248,"assessment":73480},{"year":2014,"amount":1264,"assessment":73480},{"year":2013,"amount":1230,"assessment":null},{"year":2012,"amount":1184,"assessment":null},{"year":2011,"amount":1148,"assessment":null},{"year":2010,"amount":1094,"assessment":null},{"year":2009,"amount":1000,"assessment":null},{"year":2008,"amount":940,"assessment":null},{"year":2007,"amount":872,"assessment":null},{"year":2005,"amount":686,"assessment":null}]]
["stp_E1qP9ER7ko","110 Main St",null,"Welton","IA",52774,41.906345,-90.59437,"single_family",4,1.0,1443,9300,1930,"off_market",140100,109000,"2020-06-05","forced_air",null,null,null,true,null,true,null,null,"6600930000","19045",1,[{"date":"2009-12-03","event":"sold","price":84000},{"date":"2020-06-05","event":"sold","price":109000}],[{"year":2023,"amount":1798,"assessment":119650},{"year":2022,"amount":1434,"assessment":110450},{"year":2021,"amount":1442,"assessment":89260},{"year":2020,"amount":1547,"assessment":84950},{"year":2019,"amount":1625,"assessment":84950},{"year":2018,"amount":1884,"assessment":84950},{"year":2017,"amount":1398,"assessment":81540},{"year":2016,"amount":1624,"assessment":92950},{"year":2015,"amount":1624,"assessment":92950},{"year":2014,"amount":1644,"assessment":92950},{"year":2013,"amount":1602,"assessment":null},{"year":2012,"amount":1532,"assessment":null},{"year":2011,"amount":1480,"assessment":null},{"year":2010,"amount":1348,"assessment":null},{"year":2009,"amount":1236,"assessment":null},{"year":2008,"amount":1160,"assessment":null},{"year":2007,"amount":1074,"assessment":null},{"year":2005,"amount":686,"assessment":null}]]
["stp_dkWwl8yxk2","115 Main St",null,"Welton","IA",52774,41.90627,-90.596016,"single_family",4,2.3,1736,130680,1920,"off_market",241400,157500,"2012-06-22","forced_air",null,null,null,null,null,null,null,null,"6600940000","19045",1,[{"date":"2006-12-13","event":"sold","price":95000},{"date":"2012-06-22","event":"sold","price":157500}],[{"year":2023,"amount":2474,"assessment":162160},{"year":2022,"amount":1520,"assessment":152000},{"year":2021,"amount":1512,"assessment":97480},{"year":2020,"amount":1613,"assessment":91940},{"year":2019,"amount":1696,"assessment":91940},{"year":2018,"amount":1543,"assessment":91940},{"year":2017,"amount":1534,"assessment":91940},{"year":2016,"amount":1300,"assessment":79420},{"year":2015,"amount":1300,"assessment":79420},{"year":2014,"amount":1316,"assessment":79420},{"year":2013,"amount":1278,"assessment":null},{"year":2012,"amount":1290,"assessment":null},{"year":2011,"amount":1250,"assessment":null},{"year":2010,"amount":1192,"assessment":null},{"year":2009,"amount":1092,"assessment":null},{"year":2008,"amount":1026,"assessment":null}]]
["stp_E1qP9E97ko","2520 190th St",null,"Welton","IA",52774,41.902096,-90.602486,"single_family",3,1.8,2210,1642212,1958,"off_market",569600,null,null,"forced_air",null,null,null,true,null,true,null,null,"6402970000","19045",1,[],[{"year":2025,"amount":5088,"assessment":421240},{"year":2024,"amount":4610,"assessment":374270},{"year":2023,"amount":5096,"assessment":374270},{"year":2022,"amount":3680,"assessment":337160},{"year":2021,"amount":3768,"assessment":234530},{"year":2020,"amount":3733,"assessment":232160},{"year":2019,"amount":3910,"assessment":232160},{"year":2018,"amount":3815,"assessment":258390},{"year":2017,"amount":3660,"assessment":172560},{"year":2016,"amount":3096,"assessment":236200},{"year":2015,"amount":3096,"assessment":199200},{"year":2014,"amount":2570,"assessment":199200},{"year":2013,"amount":2528,"assessment":null},{"year":2012,"amount":2358,"assessment":null},{"year":2011,"amount":2308,"assessment":null},{"year":2010,"amount":2136,"assessment":null},{"year":2009,"amount":1926,"assessment":null},{"year":2008,"amount":1834,"assessment":null},{"year":2007,"amount":1824,"assessment":null},{"year":2005,"amount":1650,"assessment":null}]]
["stp_bkZJQ9Qnkg","211 Welton Ave",null,"Welton","IA",52774,41.90987,-90.59501,"single_family",4,1.0,1666,17424,1900,"off_market",85800,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600120000","19045",1,[],[{"year":2025,"amount":1678,"assessment":104550},{"year":2024,"amount":1540,"assessment":99480},{"year":2023,"amount":1638,"assessment":99480},{"year":2022,"amount":1278,"assessment":92550},{"year":2021,"amount":1294,"assessment":71570},{"year":2020,"amount":1249,"assessment":68600},{"year":2019,"amount":1312,"assessment":68600},{"year":2018,"amount":1023,"assessment":68600},{"year":2017,"amount":1316,"assessment":50490},{"year":2016,"amount":978,"assessment":50710},{"year":2015,"amount":978,"assessment":50710},{"year":2014,"amount":820,"assessment":50710},{"year":2013,"amount":796,"assessment":null},{"year":2012,"amount":776,"assessment":null},{"year":2011,"amount":866,"assessment":null},{"year":2010,"amount":830,"assessment":null},{"year":2009,"amount":862,"assessment":null},{"year":2008,"amount":698,"assessment":null}]]
["stp_vjOW3a3pjV","307 Main St",null,"Welton","IA",52774,41.90818,-90.59637,"single_family",3,1.0,1376,14949,1920,"off_market",101900,null,null,"forced_air",null,null,null,null,null,null,null,null,"6600380000","19045",1,[],[{"year":2025,"amount":1290,"assessment":91890},{"year":2024,"amount":1180,"assessment":86710},{"year":2023,"amount":1260,"assessment":86710},{"year":2022,"amount":900,"assessment":80090},{"year":2021,"amount":908,"assessment":59380},{"year":2020,"amount":1033,"assessment":56730},{"year":2019,"amount":1085,"assessment":56730},{"year":2018,"amount":987,"assessment":56730},{"year":2017,"amount":922,"assessment":56730},{"year":2016,"amount":772,"assessment":48730},{"year":2015,"amount":772,"assessment":48730},{"year":2014,"amount":782,"assessment":48730},{"year":2013,"amount":758,"assessment":null},{"year":2010,"amount":690,"assessment":null},{"year":2009,"amount":624,"assessment":null},{"year":2008,"amount":586,"assessment":null},{"year":2007,"amount":540,"assessment":null},{"year":2005,"amount":250,"assessment":null}]]
["stp_GjEw8B8r1v","207 Main St",null,"Welton","IA",52774,41.907352,-90.595795,"single_family",2,2.0,1500,12449,1890,"off_market",125200,null,null,"forced_air",null,null,null,true,null,null,true,null,"6600430000","19045",1,[],[{"year":2025,"amount":1514,"assessment":119980},{"year":2024,"amount":1490,"assessment":113710},{"year":2023,"amount":1704,"assessment":113710},{"year":2022,"amount":1302,"assessment":105200},{"year":2021,"amount":1310,"assessment":81820},{"year":2020,"amount":1421,"assessment":78030},{"year":2019,"amount":1493,"assessment":78030},{"year":2018,"amount":1360,"assessment":78030},{"year":2017,"amount":1330,"assessment":78030},{"year":2016,"amount":1132,"assessment":67430},{"year":2015,"amount":1132,"assessment":67430},{"year":2014,"amount":1146,"assessment":67430},{"year":2013,"amount":1116,"assessment":null},{"year":2012,"amount":1074,"assessment":null},{"year":2011,"amount":1044,"assessment":null},{"year":2010,"amount":996,"assessment":null},{"year":2009,"amount":908,"assessment":null},{"year":2008,"amount":854,"assessment":null},{"year":2007,"amount":790,"assessment":null},{"year":2005,"amount":444,"assessment":null}]]
["stp_X1NqW9Wakn","203 Main St",null,"Welton","IA",52774,41.907078,-90.595825,"single_family",2,1.0,1120,22175,1992,"off_market",119600,null,null,"forced_air",null,null,null,null,null,null,null,null,"6600440000","19045",1,[],[{"year":2025,"amount":1552,"assessment":108420},{"year":2024,"amount":1420,"assessment":102230},{"year":2023,"amount":1520,"assessment":102230},{"year":2022,"amount":1670,"assessment":94770},{"year":2021,"amount":1684,"assessment":102480},{"year":2020,"amount":1780,"assessment":97780},{"year":2019,"amount":1870,"assessment":97780},{"year":2018,"amount":1344,"assessment":97780},{"year":2017,"amount":1710,"assessment":97780},{"year":2016,"amount":1100,"assessment":65780},{"year":2015,"amount":1100,"assessment":65780},{"year":2014,"amount":1114,"assessment":65780},{"year":2013,"amount":1084,"assessment":null},{"year":2012,"amount":1046,"assessment":null},{"year":2011,"amount":1016,"assessment":null},{"year":2010,"amount":968,"assessment":null},{"year":2009,"amount":884,"assessment":null},{"year":2008,"amount":830,"assessment":null},{"year":2007,"amount":768,"assessment":null},{"year":2005,"amount":986,"assessment":null}]]
["stp_vzmbQWQyjy","106 Church St",null,"Welton","IA",52774,41.908066,-90.59512,"single_family",2,1.0,902,3300,1910,"off_market",42200,null,null,"forced_air",null,null,null,true,null,null,true,null,"6600550000","19045",1,[],[{"year":2025,"amount":494,"assessment":51770},{"year":2024,"amount":448,"assessment":47980},{"year":2023,"amount":574,"assessment":47980},{"year":2022,"amount":468,"assessment":44660},{"year":2021,"amount":468,"assessment":38530},{"year":2020,"amount":606,"assessment":36660},{"year":2019,"amount":639,"assessment":36660},{"year":2018,"amount":507,"assessment":36660},{"year":2017,"amount":472,"assessment":36660},{"year":2016,"amount":350,"assessment":30250},{"year":2015,"amount":350,"assessment":30250},{"year":2014,"amount":342,"assessment":30250},{"year":2013,"amount":342,"assessment":null},{"year":2012,"amount":344,"assessment":null},{"year":2011,"amount":344,"assessment":null},{"year":2010,"amount":496,"assessment":null},{"year":2009,"amount":460,"assessment":null}]]
["stp_JjAMxBx9jy","102 Church St",null,"Welton","IA",52774,41.907867,-90.5953,"single_family",3,1.0,1726,16500,1918,"off_market",143500,null,null,"forced_air",null,null,null,null,null,true,null,null,"6600590000","19045",1,[],[{"year":2025,"amount":2002,"assessment":136700},{"year":2024,"amount":1834,"assessment":128930},{"year":2023,"amount":1950,"assessment":128930},{"year":2022,"amount":1658,"assessment":119020},{"year":2021,"amount":1672,"assessment":101800},{"year":2020,"amount":1769,"assessment":97150},{"year":2019,"amount":1858,"assessment":97150},{"year":2018,"amount":1427,"assessment":97150},{"year":2017,"amount":1698,"assessment":97150},{"year":2016,"amount":1190,"assessment":70400},{"year":2015,"amount":1190,"assessment":70400},{"year":2014,"amount":1204,"assessment":70400},{"year":2013,"amount":1172,"assessment":null},{"year":2012,"amount":1128,"assessment":null},{"year":2011,"amount":1094,"assessment":null},{"year":2010,"amount":1044,"assessment":null},{"year":2009,"amount":954,"assessment":null},{"year":2008,"amount":896,"assessment":null},{"year":2007,"amount":830,"assessment":null},{"year":2005,"amount":424,"assessment":null}]]
["stp_qz2AGK6X17","107 Main St",null,"Welton","IA",52774,41.905827,-90.59498,"single_family",4,1.0,1426,16950,1925,"off_market",167700,null,null,"other",null,null,null,true,null,null,true,null,"6600643050","19045",1,[],[{"year":2025,"amount":1930,"assessment":156790},{"year":2024,"amount":1870,"assessment":146880},{"year":2023,"amount":2220,"assessment":146880},{"year":2022,"amount":1648,"assessment":137680},{"year":2021,"amount":1662,"assessment":104690},{"year":2020,"amount":1757,"assessment":99900},{"year":2019,"amount":1849,"assessment":99900},{"year":2018,"amount":1599,"assessment":99900},{"year":2017,"amount":1686,"assessment":99900},{"year":2016,"amount":1298,"assessment":79360},{"year":2015,"amount":1298,"assessment":79360},{"year":2014,"amount":1314,"assessment":67540},{"year":2013,"amount":1052,"assessment":null},{"year":2012,"amount":1012,"assessment":null},{"year":2011,"amount":980,"assessment":null},{"year":2010,"amount":932,"assessment":null},{"year":2009,"amount":848,"assessment":null},{"year":2008,"amount":714,"assessment":null},{"year":2007,"amount":830,"assessment":null}]]
["stp_njgRvRa2zd","202 Kershaw St",null,"Welton","IA",52774,41.913692,-90.6006,"single_family",3,2.3,1252,86248,1890,"off_market",146600,48500,"1994-12-01","forced_air",null,null,null,true,null,null,null,null,"6600810000","19045",1,[{"date":"1994-12-01","event":"sold","price":48500}],[{"year":2023,"amount":1538,"assessment":101580},{"year":2022,"amount":1412,"assessment":95770},{"year":2021,"amount":1440,"assessment":88010},{"year":2020,"amount":1545,"assessment":84840},{"year":2019,"amount":1623,"assessment":84840},{"year":2018,"amount":1384,"assessment":84840},{"year":2017,"amount":1462,"assessment":84840},{"year":2016,"amount":1150,"assessment":68310},{"year":2015,"amount":1150,"assessment":68310},{"year":2014,"amount":1164,"assessment":68310},{"year":2013,"amount":1132,"assessment":null}]]
["stp_qkB353eE19","502 Seven Day Rd",null,"Delmar","IA",52774,41.913094,-90.60293,"single_family",4,1.0,1710,24407,1880,"off_market",151400,94500,"2016-06-15","other",null,null,null,true,null,null,null,null,"6600880000","19045",1,[{"date":"2016-06-15","event":"sold","price":94500}],[{"year":2023,"amount":1860,"assessment":122720},{"year":2022,"amount":2018,"assessment":114020},{"year":2021,"amount":2034,"assessment":112940},{"year":2020,"amount":1962,"assessment":107770},{"year":2019,"amount":2061,"assessment":107770},{"year":2018,"amount":1776,"assessment":107770},{"year":2017,"amount":2068,"assessment":87670},{"year":2016,"amount":1388,"assessment":84040},{"year":2015,"amount":1388,"assessment":84040},{"year":2014,"amount":1406,"assessment":84040},{"year":2013,"amount":1366,"assessment":null}]]
["stp_GkoR3RrMjy","301 Seven Day Rd",null,"Welton","IA",52774,41.912464,-90.601036,"single_family",2,1.0,1116,17655,1994,"off_market",162500,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600642800","19045",1,[],[{"year":2025,"amount":1934,"assessment":149920},{"year":2024,"amount":1876,"assessment":138600},{"year":2023,"amount":2116,"assessment":138600},{"year":2022,"amount":1970,"assessment":128430},{"year":2021,"amount":1978,"assessment":119220},{"year":2020,"amount":2064,"assessment":113370},{"year":2019,"amount":2169,"assessment":113370},{"year":2018,"amount":1643,"assessment":113370},{"year":2017,"amount":2008,"assessment":113370},{"year":2016,"amount":1396,"assessment":81070},{"year":2015,"amount":1396,"assessment":81070},{"year":2014,"amount":1412,"assessment":81070},{"year":2013,"amount":1376,"assessment":null}]]
["stp_nk76E6mej2","215 Welton Ave",null,"Welton","IA",52774,41.90988,-90.5944,"single_family",3,1.0,1142,28116,1930,"off_market",115200,null,null,"other",null,null,null,true,null,null,null,null,"6600130000","19045",1,[],[{"year":2025,"amount":1462,"assessment":110720},{"year":2024,"amount":1336,"assessment":105380},{"year":2023,"amount":1522,"assessment":105380},{"year":2022,"amount":1108,"assessment":98240},{"year":2021,"amount":1124,"assessment":74400},{"year":2020,"amount":1240,"assessment":71460},{"year":2019,"amount":1305,"assessment":71460},{"year":2018,"amount":1040,"assessment":71460},{"year":2017,"amount":1140,"assessment":71460},{"year":2016,"amount":852,"assessment":56210},{"year":2015,"amount":852,"assessment":56210},{"year":2014,"amount":836,"assessment":56210},{"year":2013,"amount":836,"assessment":null}]]
["stp_vzmMAPrMzy","214 Kershaw St",null,"Welton","IA",52774,41.914387,-90.60123,"single_family",1,1.0,790,7500,1940,"off_market",62900,20000,"1993-12-01","forced_air",null,null,null,true,null,null,true,null,"6600642900","19045",1,[{"date":"1993-12-01","event":"sold","price":20000}],[{"year":2023,"amount":1154,"assessment":69290},{"year":2022,"amount":1094,"assessment":65180},{"year":2021,"amount":1102,"assessment":61200},{"year":2020,"amount":1063,"assessment":58380},{"year":2019,"amount":1117,"assessment":58380},{"year":2018,"amount":903,"assessment":58380},{"year":2017,"amount":1120,"assessment":44550},{"year":2016,"amount":860,"assessment":44550},{"year":2015,"amount":860,"assessment":44550},{"year":2014,"amount":870,"assessment":44550}]]
["stp_JjAXw0vJzy","207 Barker St",null,"Welton","IA",52774,41.91388,-90.60511,"single_family",3,1.0,904,20878,1890,"off_market",33370,null,null,"forced_air",null,null,null,null,null,null,null,null,"6600643350","19045",1,[],[{"year":2025,"amount":354,"assessment":33370},{"year":2024,"amount":322,"assessment":31240},{"year":2023,"amount":362,"assessment":31240},{"year":2022,"amount":486,"assessment":29370},{"year":2021,"amount":494,"assessment":36160},{"year":2020,"amount":634,"assessment":34800},{"year":2019,"amount":666,"assessment":34800},{"year":2018,"amount":575,"assessment":34800},{"year":2017,"amount":500,"assessment":34800},{"year":2016,"amount":394,"assessment":28380},{"year":2015,"amount":394,"assessment":28380},{"year":2014,"amount":384,"assessment":28380}]]
["stp_GjELmXdJzv","302 Church St",null,"Welton","IA",52774,41.90836,-90.59372,"single_family",3,1.0,1434,15000,1885,"off_market",89990,12000,"2018-07-23","forced_air",null,null,null,true,null,null,null,null,"6600280000","19045",1,[{"date":"2006-05-04","event":"sold","price":23000},{"date":"2018-07-23","event":"sold","price":12000}],[{"year":2023,"amount":1326,"assessment":89990},{"year":2022,"amount":994,"assessment":83740},{"year":2021,"amount":1006,"assessment":64640},{"year":2020,"amount":1126,"assessment":61870},{"year":2019,"amount":1183,"assessment":61870},{"year":2018,"amount":869,"assessment":61870},{"year":2017,"amount":1188,"assessment":42900},{"year":2016,"amount":828,"assessment":42900},{"year":2015,"amount":828,"assessment":42900},{"year":2014,"amount":838,"assessment":42900}]]
["stp_vzm2mMXKjy","315 Main St",null,"Welton","IA",52774,41.90843,-90.596436,"single_family",2,1.0,1124,9425,1920,"off_market",89900,56000,"2010-05-18","forced_air",null,null,null,null,null,null,true,null,"6600360000","19045",1,[{"date":"2010-05-18","event":"sold","price":56000}],[{"year":2023,"amount":966,"assessment":68850},{"year":2022,"amount":852,"assessment":63430},{"year":2021,"amount":1020,"assessment":56650},{"year":2020,"amount":983,"assessment":54010},{"year":2019,"amount":1033,"assessment":54010},{"year":2018,"amount":1034,"assessment":54010},{"year":2017,"amount":1036,"assessment":51040},{"year":2016,"amount":984,"assessment":51040},{"year":2015,"amount":984,"assessment":51040},{"year":2014,"amount":996,"assessment":51040}]]
["stp_JjALeX6gzy","311 Main St",null,"Welton","IA",52774,41.908318,-90.596405,"single_family",1,1.0,972,6765,1920,"off_market",36660,4200,"2017-06-30","other",null,null,null,null,null,null,true,null,"6600370000","19045",1,[{"date":"2017-06-30","event":"sold","price":4200}],[{"year":2023,"amount":602,"assessment":36660},{"year":2022,"amount":762,"assessment":33960},{"year":2021,"amount":766,"assessment":42630},{"year":2020,"amount":739,"assessment":40620},{"year":2019,"amount":777,"assessment":40620},{"year":2018,"amount":695,"assessment":40620},{"year":2017,"amount":780,"assessment":34320},{"year":2016,"amount":662,"assessment":34320},{"year":2015,"amount":662,"assessment":34320},{"year":2014,"amount":670,"assessment":34320},{"year":2008,"amount":496,"assessment":null},{"year":2007,"amount":460,"assessment":null},{"year":2005,"amount":272,"assessment":null}]]
["stp_ozLLOXEBze","110 Church St",null,"Welton","IA",52774,41.907856,-90.59501,"single_family",2,1.0,988,1650,1943,"off_market",67500,11000,"2007-01-29","forced_air",null,null,null,true,null,null,true,null,"6600560000","19045",1,[{"date":"2007-01-29","event":"sold","price":11000}],[{"year":2023,"amount":822,"assessment":49590},{"year":2022,"amount":1132,"assessment":46460},{"year":2021,"amount":1136,"assessment":63400},{"year":2020,"amount":1095,"assessment":60140},{"year":2019,"amount":1150,"assessment":60140},{"year":2018,"amount":865,"assessment":60140},{"year":2017,"amount":1154,"assessment":42680},{"year":2016,"amount":862,"assessment":44660},{"year":2015,"amount":862,"assessment":44660},{"year":2014,"amount":872,"assessment":44660},{"year":2005,"amount":454,"assessment":null}]]
["stp_DkXXgEmBkA","1794 Old Highway 61",null,"Welton","IA",52774,41.915993,-90.60074,"single_family",1,1.0,1200,642510,1975,"off_market",232400,null,null,"forced_air",null,null,null,true,null,null,null,null,"6401860100","19045",1,[],[{"year":2022,"amount":430,"assessment":68120},{"year":2021,"amount":456,"assessment":23130},{"year":2020,"amount":440,"assessment":24300},{"year":2019,"amount":448,"assessment":24300},{"year":2018,"amount":1280,"assessment":29750},{"year":2017,"amount":424,"assessment":86900},{"year":2016,"amount":1202,"assessment":86900},{"year":2015,"amount":1202,"assessment":80800},{"year":2014,"amount":1122,"assessment":85100}]]
["stp_akYaVE23kG","206 Welton Ave",null,"Delmar","IA",52774,41.90937,-90.59513,"single_family",null,null,null,8712,null,"off_market",17910,null,null,null,null,null,null,true,null,null,null,null,"6600050000","19045",1,[],[{"year":2025,"amount":290,"assessment":17910},{"year":2024,"amount":266,"assessment":17190},{"year":2023,"amount":262,"assessment":17190},{"year":2022,"amount":240,"assessment":14750},{"year":2021,"amount":248,"assessment":13490},{"year":2020,"amount":240,"assessment":13180},{"year":2019,"amount":252,"assessment":13180},{"year":2018,"amount":276,"assessment":13180},{"year":2017,"amount":254,"assessment":13640},{"year":2016,"amount":264,"assessment":13640},{"year":2015,"amount":264,"assessment":13640},{"year":2014,"amount":266,"assessment":13640}]]
["stp_vjOLOEmQkV","203 Church St",null,"Welton","IA",52774,41.9086,-90.59513,"single_family",4,2.0,2364,8250,1912,"off_market",186900,null,null,"forced_air",null,null,null,null,null,null,null,null,"6600170000","19045",1,[],[{"year":2025,"amount":2478,"assessment":182420},{"year":2024,"amount":2376,"assessment":170870},{"year":2023,"amount":2640,"assessment":170870},{"year":2022,"amount":2082,"assessment":158090},{"year":2021,"amount":2088,"assessment":125510},{"year":2020,"amount":2171,"assessment":119230},{"year":2019,"amount":2281,"assessment":119230},{"year":2018,"amount":1875,"assessment":119230},{"year":2017,"amount":1674,"assessment":95890},{"year":2016,"amount":1590,"assessment":91190},{"year":2015,"amount":1590,"assessment":91190},{"year":2014,"amount":1610,"assessment":91190},{"year":2013,"amount":1568,"assessment":null}]]
["stp_Gko9KxBdzy","210 Church St",null,"Welton","IA",52774,41.908157,-90.5944,"single_family",2,2.0,1611,15000,1920,"off_market",164000,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600260000","19045",1,[],[{"year":2025,"amount":2216,"assessment":149040},{"year":2024,"amount":2032,"assessment":141670},{"year":2023,"amount":2168,"assessment":141670},{"year":2022,"amount":1782,"assessment":131330},{"year":2021,"amount":1794,"assessment":108730},{"year":2020,"amount":1887,"assessment":103650},{"year":2019,"amount":1983,"assessment":103650},{"year":2018,"amount":1699,"assessment":103650},{"year":2017,"amount":1822,"assessment":103650},{"year":2016,"amount":1448,"assessment":83820},{"year":2015,"amount":1448,"assessment":83820},{"year":2014,"amount":1466,"assessment":83820},{"year":2013,"amount":1428,"assessment":null}]]
["stp_X1NLJXaJjn","411 Main St",null,"Welton","IA",52774,41.908833,-90.596535,"single_family",null,null,2304,9023,1920,"off_market",17980,null,null,null,null,null,null,null,null,null,null,null,"6600330000","19045",1,[],[{"year":2025,"amount":300,"assessment":17980},{"year":2024,"amount":276,"assessment":17800},{"year":2023,"amount":306,"assessment":17800},{"year":2022,"amount":230,"assessment":17290},{"year":2021,"amount":236,"assessment":12830},{"year":2020,"amount":228,"assessment":12550},{"year":2019,"amount":240,"assessment":12550},{"year":2018,"amount":390,"assessment":12550},{"year":2017,"amount":240,"assessment":19250},{"year":2016,"amount":372,"assessment":19250},{"year":2015,"amount":372,"assessment":19250},{"year":2014,"amount":376,"assessment":19250}]]
["stp_81aXZLJ6kx","407 Main St",null,"Welton","IA",52774,41.908676,-90.596466,"single_family",6,4.8,4396,8271,1915,"off_market",115490,null,null,"other",null,null,null,null,null,null,null,null,"6600340000","19045",1,[],[{"year":2025,"amount":1642,"assessment":115490},{"year":2024,"amount":1504,"assessment":107600},{"year":2023,"amount":1602,"assessment":107600},{"year":2022,"amount":454,"assessment":99370},{"year":2021,"amount":462,"assessment":34420},{"year":2020,"amount":602,"assessment":33040},{"year":2019,"amount":632,"assessment":33040},{"year":2018,"amount":789,"assessment":33040},{"year":2017,"amount":466,"assessment":33040},{"year":2016,"amount":582,"assessment":38940},{"year":2015,"amount":582,"assessment":38940},{"year":2014,"amount":590,"assessment":38940},{"year":2013,"amount":572,"assessment":null}]]
["stp_KzKLOXoajB","215 Main St",null,"Welton","IA",52774,41.907635,-90.59624,"single_family",null,null,null,19569,null,"off_market",56600,null,null,null,null,null,null,true,null,null,null,null,"6600410000","19045",1,[],[{"year":2025,"amount":920,"assessment":56600},{"year":2024,"amount":846,"assessment":54590},{"year":2023,"amount":918,"assessment":54590},{"year":2022,"amount":168,"assessment":51920},{"year":2021,"amount":176,"assessment":9350},{"year":2020,"amount":170,"assessment":9350},{"year":2019,"amount":179,"assessment":9350},{"year":2018,"amount":216,"assessment":9350},{"year":2017,"amount":180,"assessment":10670},{"year":2016,"amount":206,"assessment":10670},{"year":2015,"amount":206,"assessment":10670},{"year":2014,"amount":208,"assessment":10670}]]
["stp_ezvMBrmo1L","211 Main St",null,"Welton","IA",52774,41.90733,-90.59628,"single_family",3,1.3,1596,38349,1890,"off_market",146400,null,null,"forced_air",null,null,null,null,null,null,null,null,"6600420000","19045",1,[],[{"year":2025,"amount":1746,"assessment":122400},{"year":2024,"amount":1600,"assessment":113760},{"year":2023,"amount":1712,"assessment":113760},{"year":2022,"amount":1200,"assessment":105650},{"year":2021,"amount":1210,"assessment":76110},{"year":2020,"amount":1324,"assessment":72720},{"year":2019,"amount":1391,"assessment":72720},{"year":2018,"amount":1264,"assessment":72720},{"year":2017,"amount":1228,"assessment":72720},{"year":2016,"amount":1034,"assessment":62370},{"year":2015,"amount":1034,"assessment":62370},{"year":2014,"amount":1048,"assessment":62370},{"year":2013,"amount":1018,"assessment":null}]]
["stp_B1pPegYq1n","310 Main St",null,"Welton","IA",52774,41.908684,-90.59564,"single_family",null,null,null,9150,1982,"off_market",105500,null,null,null,null,null,null,null,null,null,null,null,"6600500000","19045",1,[],[{"year":2025,"amount":1208,"assessment":73920},{"year":2024,"amount":1110,"assessment":71650},{"year":2023,"amount":1198,"assessment":71650},{"year":2022,"amount":762,"assessment":67650},{"year":2021,"amount":770,"assessment":42710},{"year":2020,"amount":743,"assessment":40840},{"year":2019,"amount":781,"assessment":40840},{"year":2018,"amount":969,"assessment":40840},{"year":2017,"amount":784,"assessment":47810},{"year":2016,"amount":734,"assessment":38060},{"year":2015,"amount":734,"assessment":38060},{"year":2014,"amount":742,"assessment":38060}]]
["stp_Vk5wdJxWz8","214 Berst St",null,"Welton","IA",52774,41.91417,-90.6029,"single_family",3,1.0,1118,15717,1910,"off_market",117200,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600642200","19045",1,[],[{"year":2025,"amount":1466,"assessment":103720},{"year":2024,"amount":1342,"assessment":97140},{"year":2023,"amount":1442,"assessment":97140},{"year":2022,"amount":870,"assessment":90370},{"year":2021,"amount":884,"assessment":57720},{"year":2020,"amount":1010,"assessment":55470},{"year":2019,"amount":1061,"assessment":55470},{"year":2018,"amount":936,"assessment":55470},{"year":2017,"amount":898,"assessment":55470},{"year":2016,"amount":712,"assessment":45650},{"year":2015,"amount":712,"assessment":45650},{"year":2014,"amount":700,"assessment":45650},{"year":2013,"amount":700,"assessment":null},{"year":2005,"amount":302,"assessment":null}]]
["stp_qz24oweYk7","211 Kershaw St",null,"Welton","IA",52774,41.91418,-90.602066,"single_family",4,1.0,1296,47044,1972,"off_market",241500,null,null,"forced_air",null,null,null,true,null,null,true,null,"6600642250","19045",1,[],[{"year":2025,"amount":3018,"assessment":209300},{"year":2024,"amount":2766,"assessment":197680},{"year":2023,"amount":3042,"assessment":197680},{"year":2022,"amount":2480,"assessment":184170},{"year":2021,"amount":2502,"assessment":151230},{"year":2020,"amount":2568,"assessment":144400},{"year":2019,"amount":2700,"assessment":144400},{"year":2018,"amount":2036,"assessment":144400},{"year":2017,"amount":2540,"assessment":144400},{"year":2016,"amount":1768,"assessment":103730},{"year":2015,"amount":1768,"assessment":103730},{"year":2014,"amount":1790,"assessment":103730},{"year":2013,"amount":1742,"assessment":null}]]
["stp_l10eKx39zZ","218 Welton Ave",null,"Delmar","IA",52774,41.913715,-90.60393,"single_family",3,1.3,1528,14229,1900,"off_market",138100,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600642350","19045",1,[],[{"year":2025,"amount":1710,"assessment":127000},{"year":2024,"amount":1564,"assessment":120050},{"year":2023,"amount":1750,"assessment":120050},{"year":2022,"amount":1250,"assessment":111150},{"year":2021,"amount":1260,"assessment":82370},{"year":2020,"amount":1370,"assessment":78620},{"year":2019,"amount":1442,"assessment":78620},{"year":2018,"amount":1182,"assessment":78620},{"year":2017,"amount":1278,"assessment":78620},{"year":2016,"amount":956,"assessment":61600},{"year":2015,"amount":956,"assessment":61600},{"year":2014,"amount":940,"assessment":61600},{"year":2013,"amount":940,"assessment":null},{"year":2005,"amount":518,"assessment":null}]]
["stp_nj9Q2D8EjD","202 Welton Ave",null,"Welton","IA",52774,41.913727,-90.60307,"single_family",4,1.0,1498,28458,1890,"off_market",147600,null,null,"forced_air",null,null,null,true,null,true,null,null,"6600642450","19045",1,[],[{"year":2025,"amount":1654,"assessment":123450},{"year":2024,"amount":1514,"assessment":116810},{"year":2023,"amount":1712,"assessment":116810},{"year":2022,"amount":1320,"assessment":109020},{"year":2021,"amount":1338,"assessment":86230},{"year":2020,"amount":1445,"assessment":82720},{"year":2019,"amount":1520,"assessment":82720},{"year":2018,"amount":1363,"assessment":82720},{"year":2017,"amount":1356,"assessment":82720},{"year":2016,"amount":1128,"assessment":70510},{"year":2015,"amount":1128,"assessment":70510},{"year":2014,"amount":1142,"assessment":70510},{"year":2013,"amount":1110,"assessment":null}]]
["stp_gjPLqEAwjm","114 Welton Iron St",null,"Welton","IA",52774,41.913513,-90.60167,"single_family",4,1.0,1532,42381,1886,"off_market",158900,null,null,"forced_air",null,null,null,null,null,null,true,null,"6600642550","19045",1,[],[{"year":2025,"amount":1872,"assessment":135210},{"year":2024,"amount":1712,"assessment":129700},{"year":2023,"amount":1942,"assessment":129700},{"year":2022,"amount":1132,"assessment":121960},{"year":2021,"amount":1152,"assessment":75730},{"year":2020,"amount":1265,"assessment":72860},{"year":2019,"amount":1331,"assessment":72860},{"year":2018,"amount":1149,"assessment":72860},{"year":2017,"amount":1126,"assessment":70750},{"year":2016,"amount":784,"assessment":52690},{"year":2015,"amount":784,"assessment":52690},{"year":2014,"amount":794,"assessment":52690},{"year":2013,"amount":770,"assessment":null}]]
["stp_E1qqXwOo1o","203 Barker St",null,"Welton","IA",52774,41.913677,-90.60511,"single_family",1,1.0,630,20878,1930,"off_market",42570,null,null,"forced_air",null,null,null,null,null,null,null,null,"6600643400","19045",1,[],[{"year":2025,"amount":346,"assessment":42570},{"year":2024,"amount":318,"assessment":41090},{"year":2023,"amount":342,"assessment":41090},{"year":2022,"amount":466,"assessment":38730},{"year":2021,"amount":564,"assessment":40080},{"year":2020,"amount":701,"assessment":38510},{"year":2019,"amount":737,"assessment":38510},{"year":2018,"amount":633,"assessment":38510},{"year":2017,"amount":572,"assessment":38510},{"year":2016,"amount":434,"assessment":31240},{"year":2015,"amount":434,"assessment":31240},{"year":2014,"amount":426,"assessment":31240},{"year":2013,"amount":426,"assessment":null}]]
["stp_b13xdlMmzl","410 Main St",null,"Welton","IA",52774,41.90922,-90.59604,"single_family",null,null,null,2200,2008,"off_market",29110,null,null,null,null,null,null,null,null,null,null,null,"6600690000","19045",1,[],[{"year":2022,"amount":864,"assessment":null},{"year":2021,"amount":876,"assessment":29110},{"year":2020,"amount":1845,"assessment":29110},{"year":2019,"amount":1876,"assessment":62020},{"year":2018,"amount":1986,"assessment":62020},{"year":2017,"amount":1926,"assessment":62020},{"year":2016,"amount":68,"assessment":3520},{"year":2015,"amount":68,"assessment":3520},{"year":2014,"amount":68,"assessment":3520}]]
["stp_Kkygr204z0","106 Main St",null,"Welton","IA",52774,41.906406,-90.59372,"single_family",null,null,null,148104,1900,"off_market",46470,null,null,null,null,null,null,null,null,null,null,null,"6600750000","19045",1,[],[{"year":2025,"amount":850,"assessment":46470},{"year":2024,"amount":756,"assessment":41700},{"year":2023,"amount":752,"assessment":41700},{"year":2022,"amount":586,"assessment":31980},{"year":2021,"amount":788,"assessment":25240},{"year":2020,"amount":737,"assessment":35920},{"year":2019,"amount":564,"assessment":35920},{"year":2018,"amount":1343,"assessment":38370},{"year":2017,"amount":542,"assessment":104400},{"year":2016,"amount":1156,"assessment":59965},{"year":2015,"amount":1156,"assessment":59965},{"year":2014,"amount":1170,"assessment":59965}]]
["stp_EzMLEXNX13","506 Seven Day Rd",null,"Welton","IA",52774,41.913097,-90.60324,"single_family",3,1.5,1524,13560,1930,"off_market",150200,null,null,"forced_air",null,null,null,true,null,null,true,null,"6600850000","19045",1,[],[{"year":2025,"amount":1620,"assessment":136760},{"year":2024,"amount":1584,"assessment":128410},{"year":2023,"amount":1876,"assessment":128410},{"year":2022,"amount":1112,"assessment":118280},{"year":2021,"amount":1118,"assessment":74630},{"year":2020,"amount":1234,"assessment":71130},{"year":2019,"amount":1298,"assessment":71130},{"year":2018,"amount":1131,"assessment":71130},{"year":2017,"amount":1134,"assessment":71130},{"year":2016,"amount":906,"assessment":59070},{"year":2015,"amount":906,"assessment":59070},{"year":2014,"amount":918,"assessment":59070},{"year":2013,"amount":892,"assessment":null}]]
["stp_PjxxoD2xjO","306 Main St",null,"Welton","IA",52774,41.908344,-90.59588,"manufactured",2,1.0,924,null,1991,"off_market",17560,null,null,"forced_air",null,null,null,null,null,null,null,null,"6699980300","19045",1,[],[{"year":2025,"amount":274,"assessment":17560},{"year":2024,"amount":252,"assessment":16290},{"year":2023,"amount":262,"assessment":16290},{"year":2022,"amount":318,"assessment":14810},{"year":2021,"amount":318,"assessment":17820},{"year":2020,"amount":307,"assessment":16880},{"year":2019,"amount":323,"assessment":16880},{"year":2018,"amount":562,"assessment":16880},{"year":2017,"amount":324,"assessment":27720},{"year":2016,"amount":534,"assessment":27720},{"year":2015,"amount":534,"assessment":27720},{"year":2014,"amount":542,"assessment":27720}]]
["stp_7zJyD4ZE1b","218 Welton Ave",null,"Delmar","IA",52774,41.91372,-90.603584,"single_family",null,null,null,14229,null,"off_market",35850,null,null,null,null,null,null,true,null,null,null,null,"6600642400","19045",1,[],[{"year":2025,"amount":576,"assessment":35850},{"year":2024,"amount":528,"assessment":34140},{"year":2023,"amount":586,"assessment":34140},{"year":2022,"amount":306,"assessment":33130},{"year":2021,"amount":314,"assessment":17090},{"year":2020,"amount":302,"assessment":16600},{"year":2019,"amount":318,"assessment":16600},{"year":2018,"amount":361,"assessment":16600},{"year":2017,"amount":318,"assessment":17810},{"year":2016,"amount":302,"assessment":15620},{"year":2015,"amount":302,"assessment":15620},{"year":2014,"amount":298,"assessment":15620},{"year":2005,"amount":138,"assessment":null}]]
["stp_E1qwa69Zjo","305 Seven Day Rd",null,"Welton","IA",52774,41.912464,-90.60159,"single_family",3,1.5,1344,32670,1987,"off_market",184800,78000,"2014-07-23","forced_air",null,null,null,true,null,null,null,null,"6600642850","19045",1,[{"date":"2014-07-23","event":"sold","price":78000}],[{"year":2023,"amount":2606,"assessment":158190},{"year":2022,"amount":2592,"assessment":147210},{"year":2021,"amount":2618,"assessment":145130},{"year":2020,"amount":2524,"assessment":138650},{"year":2019,"amount":2652,"assessment":138650},{"year":2018,"amount":1892,"assessment":138650},{"year":2017,"amount":2662,"assessment":93390},{"year":2016,"amount":1632,"assessment":93390},{"year":2015,"amount":1632,"assessment":93390},{"year":2014,"amount":1652,"assessment":93390},{"year":2013,"amount":1610,"assessment":null}]]
["stp_bj8JZnGe1p","315 Church St",null,"Welton","IA",52774,41.90908,-90.593124,"single_family",3,1.0,944,8450,1912,"off_market",99000,55000,"2015-09-09","other",null,null,null,null,null,null,null,null,"6600230000","19045",1,[{"date":"2015-09-09","event":"sold","price":55000}],[{"year":2023,"amount":1326,"assessment":81290},{"year":2022,"amount":1436,"assessment":74960},{"year":2021,"amount":1446,"assessment":80390},{"year":2020,"amount":1395,"assessment":76630},{"year":2019,"amount":1466,"assessment":76630},{"year":2018,"amount":1019,"assessment":76630},{"year":2017,"amount":1302,"assessment":50270},{"year":2016,"amount":806,"assessment":41800},{"year":2015,"amount":806,"assessment":41800},{"year":2014,"amount":796,"assessment":41800},{"year":2008,"amount":486,"assessment":null}]]
["stp_b13xJqA0zl","302 Welton Ave",null,"Welton","IA",52774,41.90937,-90.594154,"single_family",null,null,1200,8712,1981,"off_market",28100,23500,"2009-01-05",null,null,null,null,null,null,null,null,null,"6600051200","19045",1,[{"date":"2009-01-05","event":"sold","price":23500}],[{"year":2023,"amount":412,"assessment":28100},{"year":2022,"amount":416,"assessment":23240},{"year":2021,"amount":438,"assessment":23240},{"year":2020,"amount":948,"assessment":23240},{"year":2019,"amount":964,"assessment":31868},{"year":2018,"amount":1021,"assessment":31868},{"year":2017,"amount":612,"assessment":31868},{"year":2016,"amount":488,"assessment":25288},{"year":2015,"amount":488,"assessment":23200},{"year":2014,"amount":452,"assessment":23200}]]
["stp_vzlX062rzR","311 Church St",null,"Welton","IA",52774,41.908993,-90.59375,"single_family",3,3.3,2186,13250,1910,"off_market",133670,null,null,"other",null,null,null,true,null,null,null,null,"6600220000","19045",1,[],[{"year":2019,"amount":2557,"assessment":133670},{"year":2018,"amount":1168,"assessment":133670},{"year":2017,"amount":1906,"assessment":107970},{"year":2016,"amount":304,"assessment":15730},{"year":2015,"amount":304,"assessment":15730},{"year":2014,"amount":308,"assessment":15730}]]
["stp_KkygdnLXz0","306 Welton Ave",null,"Welton","IA",52774,41.90937,-90.593796,"single_family",null,null,576,17424,1984,"off_market",243500,null,null,"gas",null,null,null,null,null,null,null,null,"6600060000","19045",1,[],[{"year":2025,"amount":5022,"assessment":238800},{"year":2024,"amount":4666,"assessment":227910},{"year":2023,"amount":3598,"assessment":227910},{"year":2022,"amount":3256,"assessment":182330},{"year":2021,"amount":3442,"assessment":182330},{"year":2020,"amount":3976,"assessment":182330},{"year":2019,"amount":4042,"assessment":133634},{"year":2018,"amount":4280,"assessment":133634},{"year":2017,"amount":2566,"assessment":133634},{"year":2016,"amount":2576,"assessment":133634},{"year":2015,"amount":2576,"assessment":122600},{"year":2014,"amount":2392,"assessment":122600}]]
["stp_81eXB56okq","333 Welton Ave",null,"Welton","IA",52774,41.90988,-90.59382,"single_family",null,null,6272,15774,2010,"off_market",412500,null,null,"radiant",null,null,null,null,null,null,null,null,"6600131000","19045",1,[],[{"year":2025,"amount":7206,"assessment":309300},{"year":2024,"amount":6718,"assessment":296170},{"year":2023,"amount":4974,"assessment":296170},{"year":2022,"amount":4366,"assessment":229560},{"year":2021,"amount":4334,"assessment":229560},{"year":2020,"amount":6369,"assessment":229560},{"year":2019,"amount":6475,"assessment":214076},{"year":2018,"amount":6857,"assessment":214076},{"year":2017,"amount":4110,"assessment":214076},{"year":2016,"amount":4128,"assessment":214076},{"year":2015,"amount":4128,"assessment":196400},{"year":2014,"amount":3984,"assessment":196400}]]
["stp_EzMLndAW13","Delmar",null,"Welton","IA",52774,41.90754,-90.59518,"single_family",4,1.0,2096,496584,1900,"off_market",276500,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600950000","19045",1,[],[{"year":2025,"amount":2486,"assessment":165720},{"year":2024,"amount":2022,"assessment":152960},{"year":2023,"amount":2124,"assessment":139550},{"year":2022,"amount":1490,"assessment":126460},{"year":2021,"amount":1498,"assessment":90260},{"year":2020,"amount":1604,"assessment":86890},{"year":2019,"amount":1683,"assessment":86890},{"year":2018,"amount":1357,"assessment":91180},{"year":2017,"amount":1506,"assessment":77370},{"year":2016,"amount":1050,"assessment":54900},{"year":2015,"amount":1050,"assessment":17900},{"year":2014,"amount":206,"assessment":17900}]]
["stp_GkVPAMKYzE","300 Welton Ave",null,"Welton","IA",52774,41.90937,-90.5944,"single_family",null,null,2000,8712,2007,"off_market",39240,42500,"2010-07-29",null,null,null,null,null,null,null,null,null,"6600051000","19045",1,[{"date":"2010-07-29","event":"sold","price":42500}],[{"year":2023,"amount":502,"assessment":39240},{"year":2022,"amount":506,"assessment":28350},{"year":2021,"amount":536,"assessment":28350},{"year":2020,"amount":934,"assessment":28350},{"year":2019,"amount":949,"assessment":31392},{"year":2018,"amount":1005,"assessment":31392},{"year":2017,"amount":602,"assessment":31392},{"year":2016,"amount":606,"assessment":31392},{"year":2015,"amount":606,"assessment":28800},{"year":2014,"amount":562,"assessment":28800}]]
["stp_6jGgNdJajY","202 Main St",null,"Welton","IA",52774,41.907345,-90.59493,"single_family",2,1.0,1053,9900,1948,"off_market",119900,79900,"2019-06-28","other",null,null,null,true,null,null,null,null,"6600630000","19045",1,[{"date":"2019-06-28","event":"sold","price":79900}],[{"year":2020,"amount":1085,"assessment":null},{"year":2019,"amount":1140,"assessment":59610},{"year":2018,"amount":936,"assessment":59610},{"year":2017,"amount":976,"assessment":59610},{"year":2016,"amount":722,"assessment":46200},{"year":2015,"amount":722,"assessment":46200},{"year":2014,"amount":732,"assessment":46200},{"year":2013,"amount":710,"assessment":null}]]
["stp_q16BRONZ13","502 Main St",null,"Welton","IA",52774,41.90989,-90.59603,"single_family",null,null,1296,4400,1900,"off_market",15230,null,null,null,null,null,null,null,null,null,null,null,"6600080000","19045",1,[],[{"year":2025,"amount":240,"assessment":15230},{"year":2024,"amount":222,"assessment":14280},{"year":2023,"amount":184,"assessment":14280},{"year":2022,"amount":186,"assessment":10440},{"year":2021,"amount":198,"assessment":10440},{"year":2020,"amount":279,"assessment":10440},{"year":2019,"amount":284,"assessment":9374},{"year":2018,"amount":300,"assessment":9374},{"year":2017,"amount":180,"assessment":9374},{"year":2016,"amount":180,"assessment":9374},{"year":2015,"amount":180,"assessment":8600},{"year":2014,"amount":168,"assessment":8600}]]
["stp_B1pOeXWgkn","Main St",null,"Welton","IA",52774,41.904877,-90.594475,"single_family",null,null,null,48351,2001,"off_market",125430,null,null,null,null,null,null,null,null,null,null,null,"6600643150","19045",1,[],[{"year":2025,"amount":2064,"assessment":125430},{"year":2024,"amount":1896,"assessment":122460},{"year":2023,"amount":2074,"assessment":122460},{"year":2022,"amount":516,"assessment":117150},{"year":2021,"amount":526,"assessment":28890},{"year":2020,"amount":508,"assessment":27910},{"year":2019,"amount":534,"assessment":27910},{"year":2018,"amount":680,"assessment":27910},{"year":2017,"amount":536,"assessment":33550},{"year":2016,"amount":440,"assessment":22770},{"year":2015,"amount":440,"assessment":22770},{"year":2014,"amount":444,"assessment":22770}]]
["stp_bkZKbLZK1g","202 Main St",null,"Welton","IA",52774,41.907345,-90.59493,"single_family",3,1.0,1053,19140,1948,"off_market",125100,null,null,"forced_air",null,null,null,true,null,null,null,null,"6600630001","19045",1,[],[{"year":2023,"amount":1888,"assessment":114780},{"year":2022,"amount":1486,"assessment":106680},{"year":2021,"amount":1508,"assessment":83180},{"year":2020,"amount":null,"assessment":79850}]]
["stp_KzKDlrONjB","1794 Old Highway 61",null,"Welton","IA",52774,41.917522,-90.603386,"single_family",1,1.0,1200,599821,1975,"off_market",247500,null,null,"forced_air",null,null,null,true,null,null,null,null,"6401863000","19045",1,[],[{"year":2024,"amount":780,"assessment":76400},{"year":2023,"amount":1042,"assessment":76400}]]
["stp_gjP7A0YZzm","103 Main St",null,"Welton","IA",52774,41.905594,-90.594749,"single_family",3,2.0,1200,20850,1955,"off_market",null,108500,"2020-07-20",null,null,null,null,null,null,null,null,null,"6600643100","19045",1,[{"date":"2019-03-11","event":"listed","price":65000},{"date":"2019-07-18","event":"sold","price":50000},{"date":"2020-04-06","event":"listed","price":107000},{"date":"2020-07-17","event":"sold","price":108500},{"date":"2020-07-20","event":"sold","price":108500}],[{"year":2025,"amount":2066,"assessment":131070},{"year":2024,"amount":1898,"assessment":131070},{"year":2023,"amount":2038,"assessment":122540},{"year":2022,"amount":1610,"assessment":122540},{"year":2021,"amount":1628,"assessment":115100},{"year":2020,"amount":1410,"assessment":86210},{"year":2019,"amount":1486,"assessment":86210},{"year":2018,"amount":1488,"assessment":86210},{"year":2017,"amount":978,"assessment":86210},{"year":2015,"amount":938,"assessment":56760},{"year":2014,"amount":912,"assessment":56760}]]
["stp_l10PWygO1Z","303 Main St",null,"Welton","IA",52774,41.908111,-90.596116,"single_family",3,1.0,1464,34412,1917,"off_market",183000,183000,"2023-08-10","forced_air",true,null,null,true,null,null,true,null,"6600390000","19045",2,[{"date":"2023-06-02","event":"listed","price":195000},{"date":"2023-06-09","event":"price_change","price":185000},{"date":"2023-06-20","event":"pending","price":185000},{"date":"2023-08-10","event":"sold","price":183000}],[{"year":2024,"amount":1724,"assessment":121810},{"year":2023,"amount":1832,"assessment":121810},{"year":2022,"amount":1320,"assessment":112420},{"year":2021,"amount":1326,"assessment":82850},{"year":2020,"amount":1436,"assessment":78880},{"year":2019,"amount":1509,"assessment":78880},{"year":2018,"amount":1282,"assessment":78880},{"year":2017,"amount":1346,"assessment":78880},{"year":2016,"amount":1052,"assessment":63250},{"year":2015,"amount":1052,"assessment":63250},{"year":2014,"amount":1064,"assessment":63250},{"year":2013,"amount":1036,"assessment":null},{"year":2012,"amount":1000,"assessment":null},{"year":2011,"amount":972,"assessment":null},{"year":2010,"amount":928,"assessment":null},{"year":2009,"amount":844,"assessment":null},{"year":2008,"amount":794,"assessment":null},{"year":2007,"amount":734,"assessment":null}]]
["stp_nj9gl7W01D","402 Main St",null,"Welton","IA",52774,41.908861,-90.595868,"single_family",3,2.0,1512,32103,2009,"off_market",220000,220000,"2023-03-24","forced_air",true,null,null,true,null,true,true,null,"6600470000","19045",2,[{"date":"2020-04-03","event":"sold","price":31000},{"date":"2022-12-08","event":"listed","price":249900},{"date":"2023-01-25","event":"pending","price":249900},{"date":"2023-03-24","event":"sold","price":220000}],[{"year":2024,"amount":3098,"assessment":200300},{"year":2023,"amount":2564,"assessment":164830},{"year":2022,"amount":1896,"assessment":153700},{"year":2021,"amount":1902,"assessment":115090},{"year":2020,"amount":1991,"assessment":109350},{"year":2019,"amount":2092,"assessment":109350},{"year":2018,"amount":1538,"assessment":109350},{"year":2017,"amount":1932,"assessment":109350},{"year":2016,"amount":1296,"assessment":75900},{"year":2015,"amount":1296,"assessment":75900},{"year":2014,"amount":1312,"assessment":75900},{"year":2013,"amount":1276,"assessment":null}]]
["stp_gjP0mlKyjm","207 Welton Ave",null,"Welton","IA",52774,41.909838,-90.595382,"single_family",3,1.0,1340,19536,1930,"off_market",81000,81000,"2026-05-05","gas",true,null,null,true,null,null,true,null,"6600110000","19045",2,[{"date":"2024-04-01","event":"pending","price":null},{"date":"2024-04-20","event":"delisted","price":null},{"date":"2024-04-25","event":"listed","price":92000},{"date":"2026-03-12","event":"pending","price":92000},{"date":"2026-05-05","event":"sold","price":81000},{"date":"2026-05-22","event":"listed","price":92000}],[{"year":2025,"amount":2036,"assessment":128400},{"year":2024,"amount":1576,"assessment":120810},{"year":2023,"amount":1762,"assessment":120810},{"year":2022,"amount":1230,"assessment":111810},{"year":2021,"amount":1244,"assessment":81210},{"year":2020,"amount":1354,"assessment":77750},{"year":2019,"amount":1425,"assessment":77750},{"year":2018,"amount":1087,"assessment":77750},{"year":2017,"amount":1262,"assessment":77750},{"year":2016,"amount":852,"assessment":56210},{"year":2015,"amount":852,"assessment":56210},{"year":2014,"amount":862,"assessment":56210},{"year":2013,"amount":836,"assessment":null}]]
["stp_Kkyel8Wgk0","310 Church St",null,"Church St","IA",52774,41.908502,-90.593244,"single_family",3,2.0,2008,15245,1910,"off_market",159000,159000,"2024-12-13","forced_air",true,null,null,true,null,null,true,null,"66003000006600300104","19045",2,[{"date":"2024-08-15","event":"listed","price":194500},{"date":"2024-08-26","event":"price_change","price":185000},{"date":"2024-09-03","event":"price_change","price":179000},{"date":"2024-09-16","event":"price_change","price":169000},{"date":"2024-10-09","event":"price_change","price":159000},{"date":"2024-11-14","event":"pending","price":159000},{"date":"2024-12-13","event":"sold","price":159000}],[{"year":2024,"amount":1972,"assessment":137830},{"year":2023,"amount":2096,"assessment":137830},{"year":2022,"amount":1390,"assessment":127260},{"year":2021,"amount":1398,"assessment":86750},{"year":2020,"amount":1505,"assessment":82680},{"year":2019,"amount":1582,"assessment":82680},{"year":2018,"amount":1375,"assessment":82680},{"year":2017,"amount":1420,"assessment":82680},{"year":2016,"amount":1140,"assessment":67870},{"year":2015,"amount":1140,"assessment":67870},{"year":2014,"amount":1154,"assessment":67870},{"year":2013,"amount":1124,"assessment":null},{"year":2005,"amount":440,"assessment":null}]]
["stp_81eVmLOrzq","410 Church St"," ","Welton","IA",52774,41.908793,-90.592737,"single_family",3,2.0,1296,15000,1996,"off_market",110000,41500,"2012-08-10","forced_air",null,null,null,true,null,null,null,null,"6600300102","19045",2,[{"date":"2012-08-10","event":"sold","price":41500}],[{"year":2023,"amount":862,"assessment":48270},{"year":2022,"amount":718,"assessment":48730},{"year":2021,"amount":730,"assessment":40180},{"year":2020,"amount":704,"assessment":38690},{"year":2019,"amount":694,"assessment":38690},{"year":2018,"amount":1445,"assessment":63690},{"year":2017,"amount":1222,"assessment":71320},{"year":2016,"amount":1126,"assessment":58380},{"year":2015,"amount":1126,"assessment":58380},{"year":2014,"amount":1140,"assessment":58380},{"year":2011,"amount":1139,"assessment":null},{"year":2010,"amount":1056,"assessment":null},{"year":2009,"amount":964,"assessment":null},{"year":2008,"amount":906,"assessment":null},{"year":2007,"amount":840,"assessment":null},{"year":2005,"amount":792,"assessment":null}]]
["stp_qz2Wyb55j7","97 Main St"," ","Welton","IA",52774,41.905326,-90.596313,"single_family",2,1.0,1260,87120,2002,"off_market",160000,null,"1900-01-01","forced_air",null,null,null,true,null,null,null,null,"6600920000","19045",2,[],[{"year":2025,"amount":2046,"assessment":139310},{"year":2024,"amount":1876,"assessment":131570},{"year":2023,"amount":2026,"assessment":131570},{"year":2022,"amount":1704,"assessment":123370},{"year":2021,"amount":1710,"assessment":104310},{"year":2020,"amount":1805,"assessment":99140},{"year":2019,"amount":1896,"assessment":99140},{"year":2018,"amount":1449,"assessment":99140},{"year":2017,"amount":1736,"assessment":99140},{"year":2016,"amount":956,"assessment":58300},{"year":2015,"amount":956,"assessment":58300},{"year":2014,"amount":968,"assessment":58300},{"year":2013,"amount":942,"assessment":null},{"year":2007,"amount":830,"assessment":null},{"year":2005,"amount":1090,"assessment":null}]]
["stp_E1q23voRzo","202 Welton Iron St",null,"Delmar","IA",52774,41.913646,-90.603016,"townhouse",4,1.0,1498,28314,1890,"off_market",122500,null,null,null,null,null,null,null,null,null,null,null,null,"19045",1,[],[]]
["stp_Xz4wZyZY10","100001 Calle Plan De Ayala Rosarito Outside Ave",null,"Welton","IA",52774,41.90754,-90.59518,"single_family",3,3.0,2580,2842,2010,"active",550000,null,null,null,null,null,null,true,true,true,null,null,null,"19045",1,[{"date":"2023-05-01","event":"listed","price":550000}],[]]