The Oldest and Newest Housing Stock, by State
Averaging the year built across every home reveals which states have the oldest — and newest — housing stock.
Oldest housing stock
| State | Avg. year built |
|---|---|
| District of Columbia | 1947 |
| New York | 1954 |
| Massachusetts | 1955 |
| Rhode Island | 1957 |
| Pennsylvania | 1958 |
| Connecticut | 1961 |
| Vermont | 1961 |
| Iowa | 1962 |
| Ohio | 1963 |
| Illinois | 1965 |
Newest housing stock
| State | Avg. year built |
|---|---|
| Nevada | 1995 |
| Arizona | 1991 |
| South Carolina | 1991 |
| Texas | 1990 |
| Arkansas | 1990 |
| Florida | 1989 |
| Utah | 1989 |
| Georgia | 1988 |
| Idaho | 1988 |
| Alaska | 1988 |
Method
Average of the year_built field across residential records per state.
Source: the RealEstateDataset public U.S. property dataset (2026-08-02), free to download and verify. Figures use recorded public sale prices; areas with too few records are excluded.
Frequently asked
Which state has the oldest homes?
By average year built in this dataset, District of Columbia has the oldest housing stock (avg. 1947).
Which state has the newest homes?
Nevada, with an average year built of 1995.
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