Why the Median US Home Just Turned 42
The median age of an owner-occupied home in the United States reached 42 years in 2024, according to an NAHB Eye On Housing analysis of Census American Community Survey data published in March 2026. That is up from 31 years in 2005, a jump of more than a decade in under twenty years, and it reflects a housing stock that keeps aging faster than it gets replaced.
The same NAHB research found that roughly 47% of owner-occupied homes nationwide were built before 1980, and about 34% were built before 1970. A home built before 1980 is now pushing toward its fifth decade without a full systems replacement in many cases, roofing, plumbing, electrical, HVAC, the kind of deferred maintenance that turns into a real conversation once a homeowner starts pricing out repairs instead of just living with them.
The State Spread: From Nevada’s 25 Years to New York’s 64
Housing age varies enormously by state. New York carries the oldest median housing stock in the country at 64 years, more than double the national median, reflecting a market with far less new construction relative to its existing stock than faster-growing states. Nevada sits at the opposite end at just 25 years, a state where population growth has pushed a much higher share of newer construction into the owner-occupied mix.
That state-by-state spread matters for anyone building a target list. A county sitting in an older-stock state is more likely to carry a higher share of homes approaching or past a major systems replacement, the kind of deferred-maintenance signal that shows up in code violations, driving-for-dollars routes, and conversations where a seller mentions a roof or furnace they have been putting off.
The Numbers
The median age of an owner-occupied US home reached 42 years in 2024, up sharply from 31 years in 2005.
Roughly 47% of owner-occupied US homes were built before 1980, including about 34% built before 1970.
NAHB Eye On Housing, "Almost Half of the Owner-Occupied Homes Built Before 1980"
New York has the oldest median housing stock of any state at 64 years, while Nevada has the newest at 25 years.
Sources
The external data in this article draws on the sources below. Figures described in the text as estimates or industry triangulations are directional and are not attributed to a single dataset.
- NAHB Eye On Housing, "Age of Housing Stock by State"
- NAHB Eye On Housing, "Almost Half of the Owner-Occupied Homes Built Before 1980"