PermitStack indexes 845,961 building permits issued in Chicago, Illinois, with 31,548 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 |
|---|---|---|---|---|
| 2026-08-30 | B200509617 | 3521 N LOWELL AVE | Electrical | LINE VOLTAGE ELECTRICAL WORK. NEW PERMANENT 100 AMP SERVICE DISCONNECTING MEANS WI... |
| 2026-08-30 | B200476525 | 824 W NORTH AVE | Roofing | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 4 ROOFTOP PACKAGED UNIT(CARRIER, 48FCEM... |
| 2026-08-30 | B200481431 | 343 N LA SALLE DR | Electrical | REPAIR/REPLACEMENT AFFECTING 1 SYSTEMS : 2 OTHER AIR HANDLING EQUIPMENT(BAC-096-... |
| 2026-08-30 | B200478927 | 1607 W IRVING PARK RD | Electrical | SCOPE: NONSTRUCTURAL INTERIOR ALTERATION OF EXISTING COFFEE SHOP, COUNTER REPLACEM... |
| 2026-08-29 | B200509593 | 6718 S THROOP ST | Electrical | LINE VOLTAGE ELECTRICAL WORK. REPAIR OR ALTER DEVICES ON EXISTING CIRCUITS. RECEPT... |
| 2026-08-29 | B200508539 | 7355 S MORGAN ST | Plumbing | REPAIR OR IN-KIND REPLACEMENT OF 0 PLUMBING FIXTURES AS DESCRIBED IN PERMIT APPLIC... |
| 2026-08-29 | B200473769 | 10522 S WESTERN AVE | Renovation | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 950 SQ. FT., LINTEL QTY. 0, MA... |
| 2026-08-29 | B200509255 | 1701 N NAGLE AVE | Roofing | SCOPE: ROOF RECOVER. AREA: 800 SQ. FT. ROOF COVERING: MINERAL - SURFACED ROLL ROOF... |
| 2026-08-29 | B200509430 | 7533 S DAMEN AVE | Roofing | NEW DETACHED WOOD FRAME GARAGE. DIMENSIONS AND SETBACKS PER APPLICATION. BUILDING ... |
| 2026-08-29 | B200477750 | 233 N LARAMIE AVE | Demolition | WRECK AND REMOVE DETACHED FRAME GARAGE, NO REPLACEMENT. LOCATIONS: 0 RESIDENTIAL ... |
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 August 30, 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. 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.
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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