PermitStack indexes 835,959 building permits issued in Chicago, Illinois, with 30,183 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.
The 10 most recent permits issued in Chicago, Illinois. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-05-15 | B200469442 | 6238 S KOLMAR AVE | Roofing | New detached wood frame garage 26x22 feet |
| 2026-05-15 | B200470639 | 1437 W LILL AVE | Roofing | New detached wood frame garage 22x19 feet |
| 2026-05-15 | B200470699 | 3752 S WOOD ST | Roofing | New detached wood frame garage 22x20 feet |
| 2026-05-15 | B200468574 | 2248 N KIMBALL AVE | Solar | Install 7.65 kW solar panels with 13.5 kWh storage on roof |
| 2026-05-15 | B200469506 | 2236 N MULLIGAN AVE | Solar | Install 10.66 kW solar panels with 15 kWh storage on steep roof |
| 2026-05-15 | B200470544 | 6742 S CHAMPLAIN AVE | Roofing | Roof recover 1200 sq ft with insulation |
| 2026-05-15 | B200470710 | 2047 N NEWCASTLE AVE | Roofing | New detached wood frame garage 22x20 feet with gable roof |
| 2026-05-15 | B200470783 | 11010 S DRAKE AVE | Roofing | New detached wood frame garage 24x24 feet with gable roof |
| 2026-05-15 | B200469109 | 12713 S ESCANABA AVE | Solar | Install 14.96 kW solar panels on sloped rooftop |
| 2026-05-15 | 101074973 | 2625 N TALMAN AVE | Roofing | Convert church to 16-unit residential with basement stairs |
Query Chicago, Illinois permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search all Chicago permits issued this month curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?city=Chicago&state=IL&issued_after=2026-04-01"
Related coverage in Illinois and nationwide.
We ingest data directly from the official Chicago 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 Chicago, Illinois was issued on May 15, 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 Chicago permits interactively. Sign up for a free API key to get started.
Yes. Paid plans support CSV export and periodic webhooks for changed permits.
The median time from permit filing to issuance in Chicago, Illinois is 6 days, based on permits issued in the last 12 months. Smaller permit types (residential alteration, electrical) typically issue faster; new construction and large additions usually take longer.
Free tier covers 100 requests per day. No credit card required.
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