Metro area in California · part of the San Jose-San Francisco-Oakland, CA combined area
Napa, CA
The Napa metro area authorized 364 new housing units in 2025. Buildings with five or more units accounted for 65% of the units authorized in 2021–2025, the tenth-highest share among the 387 US metro areas. Its busiest year since 2004 was 2021, with 1,204 units; 2025 came to 30% of that.
Single-family2–4 units5+ units
Houses or apartments
The closest match in building mix among the 386 other metro areas is Miami (67% in five-plus buildings). That share has risen sharply since 2004–2006, when it stood at 25%. Units in five-plus buildings peaked in 2021 (1,039), single-family houses in 2004 (640).
Busiest permit offices
Across the metro area, 6 permit offices authorized new housing in 2021–2025. The busiest was Napa, with 2,296 units or 67% of the total, followed by American Canyon with 773. Among the three largest, Napa put 77% of its units in five-plus buildings, Napa County (unincorporated) 0%.
Share of the units authorized in the metro area, 2021–2025.
The wider San Jose-San Francisco-Oakland region
The Census Bureau groups Napa with 7 neighboring metro areas in the San Jose-San Francisco-Oakland, CA combined area. Metro areas in it authorized 22,449 units a year in 2021–2025 (micropolitan parts not counted); Napa accounted for 3.1%. The others, with their yearly averages: San Francisco (9,196), San Jose (5,974), Stockton (3,269), Vallejo (1,256), Modesto (880), Merced (691) and 1 more.
Boom, bust and since
Its peak year is shared by 27 other metro areas, among them Morristown, Bozeman, Missoula. Annual permits fell from 917 during the mid-2000s boom to 110 in 2010, a drop of 88%. The nearest bust profile in the Pacific states was Chico's (88%). The 2021–2025 pace of 688 units a year is 2.3% below the 2004–2006 pace. From 2024 to 2025 the count fell 17%.
Relative to population
With 132,949 residents in July 2025, Napa authorized 5.1 units per 1,000 residents a year in 2021–2025, close to the national 4.7. The metro areas with the nearest rates are Kahului (5.1) and Staunton (5.1).
Similar in size
| Metro area | 2004–2025 | 2025 units | Per 1,000 a year | 5+ share |
|---|---|---|---|---|
| Battle Creek, MI | 120 | 0.8 | 0% | |
| Mount Vernon-Anacortes, WA | 373 | 4.4 | 54% | |
| Napa, CA | 364 | 5.1 | 65% | |
| Albany, OR | 189 | 2.8 | 26% | |
| Salisbury, MD | 205 | 2.3 | 20% |
Rates and shares: 2021–2025.
Every yearly figure behind the chart, split by building size: yearly-units.csv. State view: California. Counting rules.