Building permits · Jul 2026
Cook County Building Permits
Monthly residential building permits for Cook County, Illinois — 275 units authorized in Jul 2026, 4,389 over the last 12 months — latest month -67.1% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 163 | 59.3% |
| 2-unit structures | 4 | 1.5% |
| 3–4 unit structures | 57 | 20.7% |
| Multifamily (5+ units) | 51 | 18.5% |
| All units | 275 | 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.
Cook County building permits — FAQ
How many building permits were issued in Cook County?+
275 new residential units were authorized in Cook County, Illinois in Jul 2026, and 4,389 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of Cook County permits are multifamily?+
40.7% of Cook County's Jul 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.