Building permits · Jun 2026
San Mateo County Building Permits
Monthly residential building permits for San Mateo County, California — 104 units authorized in Jun 2026, 1,363 over the last 12 months — latest month -15.4% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 62 | 59.6% |
| 2-unit structures | 4 | 3.8% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 38 | 36.5% |
| All units | 104 | 100% |
Compare this area with the rest of the country: ranked leaderboards for permit volume, permits per capita, year-over-year growth, and multifamily share.
San Mateo County building permits — FAQ
How many building permits were issued in San Mateo County?+
104 new residential units were authorized in San Mateo County, California in Jun 2026, and 1,363 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of San Mateo County permits are multifamily?+
40.4% of San Mateo County's Jun 2026 permitted units were in multifamily (2+ unit) buildings.
Where does this data come from?+
Figures come from the U.S. Census Bureau's Building Permits Survey, a monthly census of permit-issuing jurisdictions. pumsdata is independent and not affiliated with the Census Bureau.