PermitStack indexes 655,530 building permits issued in Cook County, Illinois, with 51,176 issued in the last 12 months alone. Search by address, contractor, category, and date via our free REST API.
Most common permit types issued in the last year.
Drill into the most common permit categories in Cook County.
Most active contractors by permit volume in Cook County.
The 10 most recent permits issued in Cook County, Illinois. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-07-30 | 2282 | 8208 S HOUSTON AVE | New construction | New construction inspection and verification check |
| 2026-07-29 | 20263723087310001 | 661 WENTWORTH AVE | Renovation | REPLACE 23 WIMDOWS REPAIR ANY ROT ALSO REPAIR CONCRETE ON SIDE OF BUILDING |
| 2026-07-28 | 2143 | 11730 S INDIANA AVE | Other | GARAGE |
| 2026-07-28 | 2142 | 6200 S ELLIS AVE | Other | RECHECK FOR NEW GARAGE / CONFIRM CHARACTERISTICS ON IMPROVEMENT |
| 2026-07-28 | 20263723077520001 | 212 RUTH ST | Other | INSPECTION REPAIRS REPSIR SCREENS PAINT |
| 2026-07-28 | 20263723077690001 | 518 SAGINAW AVE | Other | CONCRETE DRIVEWAY |
| 2026-07-28 | 20263723078120001 | 1458 HIRSCH BLVD | Roofing | ROOF REPAIR |
| 2026-07-28 | 2162 | 6847 S HALSTED ST | New construction | Recheck inspection for new construction |
| 2026-07-27 | 2121 | 2069 E 95TH ST | Other | RECHECK 2027 FOR NEW IMPROVEMENTS. LAND IS VACANT |
| 2026-07-27 | 2102 | 12 KITSON DR | New construction | New construction project |
Query Cook County, Illinois permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Cook County permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Cook%20County&state=IL&issued_after=2026-04-01"
Related coverage in Illinois and nationwide.
We ingest data directly from the official Cook County open data portal (Tyler Data & Insights (Socrata)) daily. This is the same source used by the city's own public dashboards, normalized into a consistent JSON schema across our U.S. jurisdictions.
Our automated ingestion runs daily at 03:00 UTC. The latest permit in our database for Cook County, Illinois was issued on August 5, 2026. Permit backlogs on the city side may mean some permits take a few days to appear.
Yes — our free tier includes 100 requests per day, enough to search and filter Cook County permits interactively. Sign up for a free API key to get started.
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Real-time webhooks for changed permits are on the Developer plan and above.
Free tier covers 100 requests per day. No credit card required.
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