Adobe Stock/Michael Shake

The median age of U.S. owner-occupied housing stock is gradually aging, increasing from a median age of 31 years in 2005 to a median age of 39 years, according to data from the 2019 American Community Survey. In addition to an aging housing stock, the NAHB explains that the number of homes built continues to fall behind the pace of building after the Great Recession.

This aging housing stock signals a growing remodeling market, as old structures normally need to add new amenities, or repair/replace old components. Rising home prices also encourage homeowners to spend more on home improvement. Moreover, the number of owner households has been rising since the third quarter of 2016. This indicates a strong rising demand for new construction over the long run, as current owner-occupied housing stock is older.

New construction added nearly 5.4 million units to the national stock from 2010 to 2019, accounting for only 7% of owner-occupied housing stock in 2019. Owner-occupied homes constructed between 2000 and 2009 make up 15% of the housing stock. But more than half of the owner-occupied homes were built before 1980, with around 38% built before 1970. Due to modest gains of housing construction, the share of new construction built within past 9 years declined greatly, from 15% in 2006 to only 7% in 2019. Meanwhile, the share of housing stock built 50 years ago or earlier increased significantly from 30% in 2009 to 37% in 2019.

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