Building permits · Jun 2026
St. Clair County Building Permits
Monthly residential building permits for St. Clair County, Illinois — 36 units authorized in Jun 2026, 425 over the last 12 months — latest month -26.5% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 28 | 77.8% |
| 2-unit structures | 8 | 22.2% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 0 | 0.0% |
| All units | 36 | 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.
St. Clair County building permits — FAQ
How many building permits were issued in St. Clair County?+
36 new residential units were authorized in St. Clair County, Illinois in Jun 2026, and 425 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of St. Clair County permits are multifamily?+
22.2% of St. Clair 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.