PermitStack indexes 841,613 building permits issued in Chicago, Illinois, with 31,520 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 Chicago.
Most active contractors by permit volume in Chicago.
The 10 most recent permits issued in Chicago, Illinois. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-07-16 | 101085096 | 3403 W 48TH PL | Other | NON ILLUMINATED CHANNEL LETTERS - FLUSHED ON THE WALL. |
| 2026-07-16 | 101085475 | 3101 N CLARK ST | Signage | INSTALL A SIGN READING "JETSET MODERN PILATES" |
| 2026-07-16 | 101084310 | 1516 N WELLS ST | Signage | DOUBLE FACED ILLUM BLADE SIGN EAST ELEVATION READS TOPO GIGIO |
| 2026-07-16 | 101084720 | 5334 S ARCHER AVE | Signage | INSTALLATION OF (1) SIGN C COMBINED DIMENSION AT 7'6"L X 2'11"HT... |
| 2026-07-16 | 101085287 | 4917 S CICERO AVE | Signage | INSTALLATION OF (1) 17'10"L X 2'8"HT X 0' 5"THK FRONT L... |
| 2026-07-16 | 101085436 | 3420 W ROOSEVELT RD | Signage | 12 SQ/FT ILLUMINATED WALL SIGN; NORTH ELEVATION, PATIO; VISIONS CAFE |
| 2026-07-16 | 101083057 | 8542 S ABERDEEN ST | Electrical | COMPLETE INTERIOR REMODEL OF EXISTING TWO STORY SINGLE FAMILY RESIDENCE INCLUDING ... |
| 2026-07-16 | 101083354 | 2038 W ARMITAGE AVE | Electrical | INSTALLATION OF ONE (1) ILLUMINATED FLAT WALL SIGN ON THE FRONT FAÇADE OF THE BUIL... |
| 2026-07-16 | 101084719 | 5334 S ARCHER AVE | Signage | INSTALLATION OF (1) SIGN B 13'5"L X 2'9"HT X 0' 3"THK F... |
| 2026-07-16 | 101085550 | 3101 N CLARK ST | Signage | INSTALL A VINYL FACE SIGN IN AN EXISTING MONUMENT SIGN READING "JETSET MODER ... |
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 July 16, 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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