Metro area in District of Columbia, Virginia, Maryland, West Virginia · part of the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA combined area
Washington-Arlington-Alexandria, DC-VA-MD-WV
The Washington-Arlington-Alexandria metro area authorized an average of 25,128 new housing units a year in 2021–2025, the tenth-largest total of the 387 US metro areas. Buildings with five or more units accounted for 53% of the units authorized in 2021–2025, the third-highest share among the 81 metro areas based in the South Atlantic states. Its busiest year since 2004 was 2004, with 38,985 units; 2025 came to 46% of that.
Single-family2–4 units5+ units
Where in the metro
District of Columbia accounted for 15% of the metro area's units in 2021–2025, Prince George's County for 12%. The part in Maryland, Virginia, West Virginia supplied 85%.
11 smaller counties not shown.
Houses or apartments
The closest match in building mix among the 386 other metro areas is Mount Vernon (54% in five-plus buildings). That share has risen sharply since 2004–2006, when it stood at 29%. Units in five-plus buildings peaked in 2022 (23,799), single-family houses in 2004 (27,709).
Boom, bust and since
Its peak year is shared by 98 other metro areas, among them Atlanta, Miami, Phoenix. Annual permits fell from 38,985 during the mid-2000s boom to 12,147 in 2009, a drop of 69%. The nearest bust profile in the South Atlantic states was Dover's (69%). The 2021–2025 pace of 25,128 units a year is 29% below the 2004–2006 pace. Permits rose 5 years in a row up to 2014. From 2024 to 2025 the count fell 16%.
The wider Washington-Baltimore-Arlington region
The Census Bureau groups Washington with 5 neighboring metro areas in the Washington-Baltimore-Arlington, DC-MD-VA-WV-PA combined area. Metro areas in it authorized 35,852 units a year in 2021–2025 (micropolitan parts not counted); Washington accounted for 70%. The others, with their yearly averages: Baltimore (6,809), Hagerstown (1,818), Winchester (1,011), Chambersburg (637), Lexington Park (450).
Busiest permit offices
Across the metro area, 42 permit offices authorized new housing in 2021–2025. The busiest was Washington, with 18,793 units or 15% of the total, followed by Prince Georges County (unincorporated) with 14,268. Among the three largest, Washington put 92% of its units in five-plus buildings, Prince Georges County (unincorporated) 46%.
Share of the units authorized in the metro area, 2021–2025.
Relative to population
With 6,465,724 residents in July 2025, Washington authorized 4.0 units per 1,000 residents a year in 2021–2025, under the national 4.7. The metro areas with the nearest rates are Santa Fe (4.0) and Appleton (4.0).
Similar in size
| Metro area | 2004–2025 | 2025 units | Per 1,000 a year | 5+ share |
|---|---|---|---|---|
| Atlanta-Sandy Springs-Roswell, GA | 33,670 | 6.4 | 34% | |
| Washington-Arlington-Alexandria, DC-VA-MD-WV | 17,990 | 4.0 | 53% | |
| Miami-Fort Lauderdale-West Palm Beach, FL | 23,453 | 3.4 | 67% | |
| Philadelphia-Camden-Wilmington, PA-NJ-DE-MD | 12,900 | 2.9 | 51% | |
| Phoenix-Mesa-Chandler, AZ | 39,699 | 9.0 | 36% |
Rates and shares: 2021–2025.
Every yearly figure behind the chart, split by building size: yearly-units.csv. State view: District of Columbia. Counting rules.