PermitStack indexes 843,539 building permits issued in Chicago, Illinois, with 31,431 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 |
|---|---|---|---|---|
| 2026-08-05 | 101086895 | 8050 S CHAPPEL AVE | Mechanical | NEW INSTALLATION OF ONE(1) 750LB CAPACITY, VERTICAL PLATFORM LIFT, PURSUANT TO THE... |
| 2026-08-05 | B200476488 | 6032 S KENWOOD AVE | EV charger | LINE VOLTAGE ELECTRICAL WORK. NEW TEMPORARY 200 AMP SERVICE DISCONNECTING MEANS WI... |
| 2026-08-05 | 101082678 | 4715 W HURON ST | New construction | NSELF-CERT 2019 CBC: FULL BUILDING PERMIT FOR NEW 2-STORY BRICK AND FRAME SINGLE-F... |
| 2026-08-05 | 101085385 | 1010 N RIDGEWAY AVE | Interior remodel | SC 2019 CBRC: INTERIOR REMODELING ONLY OF EXISTING TWO-FLAT (OCC. GRP: R-5; CONST&... |
| 2026-08-05 | B200474430 | 3001 W 19TH ST | Other | FULL REBUILD (SAME AS EXISTING) FOR WOOD PORCH (OPEN) (QUANTITY: 3, LOCATION: WEST... |
| 2026-08-05 | B200474517 | 10214 S GREEN ST | Solar | INSTALL SOLAR PANELS ON ROOF OF PRINCIPAL BUILDING. ROOF TYPE: STEEP (>5:12). I... |
| 2026-08-05 | 101078459 | 2145 S CENTRAL PARK AVE | New construction | SPR 2019 CBC: FULL BUILDING PERMIT FOR 2 STORY, 2 DWELLING UNIT BUILDING WITH 2 ON... |
| 2026-08-05 | 101078677 | 6623 S DR MARTIN L KING JR DR | HVAC | DDS 2019 CBC: REVISION TO PERMIT 101004762. REVISIONS INCLUDE ROOM RECONFIGURATION... |
| 2026-08-05 | 101084327 | 2022 W BARRY AVE | Interior remodel | SELF CERT 2019 CBC: ERECT NEW DETACHED TWO CAR FRAMED GARAGE WITH EXISTING ONE AND... |
| 2026-08-05 | B200477693 | 7400 S CHAPPEL AVE | Renovation | LIMITED REPAIR (25% OR LESS) FOR WOOD PORCH (OPEN) (QUANTITY: 3, LOCATION: WEST SI... |
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 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 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.
Get Free API Key