PermitStack indexes 851,265 building permits issued in Chicago, Illinois, with 31,680 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.
The most active contractors by permit volume in Chicago, with a profile of each one's permit history. Counts are permits we hold for Chicago.
Permit activity for individual ZIP codes in Chicago, newest first by volume.
Every permit we hold for one Chicago address (roof, HVAC, solar, additions, with dates and contractors) in a single call to /v1/property/history. Used by lenders for collateral review, insurers for roof and system age, and real estate teams for due diligence.
The 10 most recent permits issued in Chicago, Illinois. Full dataset available via REST API.
| Issued | Permit # | Address | Category | Description |
|---|---|---|---|---|
| 2026-10-21 | B200516711 | 4800 S CHICAGO BEACH DR | Electrical | LINE VOLTAGE ELECTRICAL WORK. REPAIR OR ALTER DEVICES ON EXISTING CIRCUITS. RECEPT... |
| 2026-10-21 | B200516710 | 1308 S INDEPENDENCE BLVD | Renovation | TUCKPOINTING AND UNIT MASONRY REPAIR / REPLACEMENT: 2000 SQ. FT., LINTEL QTY. 0, M... |
| 2026-10-21 | B200511615 | 740 S FEDERAL ST | Plumbing | REPAIR OR IN-KIND REPLACEMENT OF 7 PLUMBING FIXTURES AS DESCRIBED IN PERMIT APPLIC... |
| 2026-10-21 | B200509458 | 3633 N HARDING AVE | Roofing | NEW DETACHED WOOD FRAME GARAGE. DIMENSIONS AND SETBACKS PER APPLICATION. BUILDING ... |
| 2026-10-21 | B200516381 | 11 W ILLINOIS ST | HVAC | NEW HEAT PUMP OR REFRIGERATION EQUIP., ELECTRICAL WORK UNDER THIS PERMIT = NO . LO... |
| 2026-10-21 | B200516601 | 2042 N MOHAWK ST | Roofing | SCOPE: ROOF REPLACEMENT. AREA: 750 SQ. FT. ROOF COVERING: BUILT-UP ROOF. LOCATION:... |
| 2026-10-21 | 101087946 | 7055 W HIGGINS AVE | HVAC | INTERIOR REMODELING OF THE EXISTING 3734SF SPACE TO A NEW HOOKAH LOUNGE, INCLUDING... |
| 2026-10-21 | 101082399 | 1325 W OHIO ST | Renovation | SPR 2019 CBC: ERECT A NEW 2-STORY SINGLE-FAMILY RESIDENCE WITH BASEMENT, ROOF DECK... |
| 2026-10-21 | 101089897 | 900 N MICHIGAN AVE | Mechanical | REPLACE COMPLETE HOISTWAY ENTRANCES ON EG PASSENGER CARS 7, 8 & 9 (4000LBS CAP... |
| 2026-10-21 | B200516746 | 1308 W GRANVILLE AVE | EV charger | LINE VOLTAGE ELECTRICAL WORK. ADD 1 CIRCUITS TO EXISTING 100 AMP SERVICE DISCONNEC... |
Query Chicago, Illinois permits with a single HTTP request. Returns JSON with address, category, status, dates, and full description.
# Search Chicago permits issued in the last 30 days curl -H "X-API-Key: YOUR_KEY" \ "https://api.permit-stack.com/v1/permits/search?jurisdiction=Chicago&state=IL&issued_after=2026-09-23"
The official record sets behind this page, with the date each one's data runs through.
| Record set | Source | Permits | Data through | Note |
|---|---|---|---|---|
| Building permits | open data (Socrata) | 851,265 | 2026-10-21 | |
| ADU Preapproval | open data (Socrata) | 1,590 | 2026-10-20 | Listed for completeness; not counted as building permits. |
Related coverage in Illinois and nationwide.
We ingest Chicago's official permit records directly from Tyler Data & Insights (Socrata) and normalize them into a consistent JSON schema across our U.S. jurisdictions.
The newest permit we hold for Chicago, Illinois is dated October 21, 2026. We re-read this source on a nightly schedule and publish the date the data runs through rather than the date we last polled. Some cities publish permits days after they are filed.
Yes — search Chicago permits free in the browser, no signup needed. The API needs a free key (100 requests per day, no credit card).
Yes. CSV export is available on every plan, including free, with the row cap rising by tier. Webhooks (Developer plan and up) push new permits after each nightly ingest.
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