Chicago, IL Building Permit History

Search any address in Chicago to see the complete building permit history — what work was done, who did it, how much it cost, and the current permit status. Free and instant.

Chicago Permit Data at a Glance

173,399
Permits on File
77,042
Addresses Searched
$1,135
Avg Permit Fee
19,102
Contractors

What You Can Find in Chicago Permit Records

Each permit record from Chicago includes:

  • Permit number — the official tracking number
  • Type of work — new construction, renovation, demolition, electrical, plumbing, etc.
  • Work description — detailed description of the permitted work
  • Current status — active, issued, finaled, or expired
  • Project cost — estimated or declared construction value
  • Permit fees — actual fees paid to the city
  • Contractor name — the licensed contractor who pulled the permit
  • Issue date — when the permit was approved

Data source: City Open Data Portal (Socrata). Updated in real-time.

How to Look Up Building Permits in Chicago

  1. 1 Enter a street address in Chicago, IL above.
  2. 2 We query Chicago's official permit database in real-time.
  3. 3 See every permit on file — type of work, cost, contractor, and status.

Why Look Up Permit History in Chicago?

  • Buying a home in Chicago? Check if past renovations were properly permitted before you close.
  • Planning a project? See what permits neighbors pulled for similar work in Chicago.
  • Vetting a contractor? See which contractors have active permits in Chicago.
  • Selling your home? Verify all past work was properly permitted before listing.

Frequently Asked Questions

Enter any street address in Chicago, IL in the search box above. PermitMint queries the official Chicago permit database in real-time and shows you every building permit on file.

Yes, completely free. Chicago publishes permit records through their official open data portal. No sign-up required.

Data is queried in real-time from Chicago's official portal. Most cities update daily. Results cache for 24 hours, then refresh automatically.

Need a Building Permit in Chicago?

Check if your project requires a permit, see estimated fees and timelines.

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