In 2019, D/C. area lawmakers said they needed to build at least 320,000 housing units in the next decade but they are falling behind. From 2020-2023, the Washington, D.C. area produced an average of 60 units per day. Recently the Metropolitan Washington Council of Governments (COG), made up of regional lawmakers, drew up the housing target, which would require the addition of more than 87 units per day.Fairfax County, the most populous jurisdiction in the region, is on pace to build only 36 percent of its target.

https://www.washingtonpost.com/dc-md-va/2024/04/10/dc-regional-housing-targets