What Does 'Year Built' Mean?
A property's year built is a quick proxy for its age, systems, and style.
Why it matters
Year built signals likely construction style, materials, and the age of major systems (roof, HVAC, wiring). It affects insurance, financing, and renovation expectations.
In the dataset
Each property carries a year_built field. Aggregated across an area it reveals the age of the housing stock — useful for market and policy analysis.
Frequently asked
What is 'year built' in a property record?
It's the year the structure was originally completed. It's a standard field on the property record and a proxy for the building's age and construction era.
Where can I get year built for many homes?
The dataset includes year_built for properties across the entire U.S., downloadable free by state, county, or ZIP.
See it in the data
Browse the dataset →