This map from the DC Policy Center shows what an overwhelming amount of the District’s housing stock is comprised of single-family homes. Most of the housing outside of downtown DC consists of low-density buildings, illustrated above in purple, its new report “Taking Stock of the District’s Housing Stock” shows.
The DC Policy Center estimates that about 303,950 housing units are available to District residents. Of these, 93,470 are single-family homes that make up 30% of the housing stock but a whopping 80% of the residential buildings. The remaining 23,900 buildings hold about 120,600 rental apartment units, 64,300 condominiums, and 28,600 co-op units.