Cook County, IL Building Permit History

Search any address in Cook County 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.

Cook County Permit Data at a Glance

26
Permits on File
2
Addresses Searched
13
Contractors

What You Can Find in Cook County Permit Records

Each permit record from Cook County 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
  • 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 Cook County

  1. 1 Enter a street address in Cook County, IL above.
  2. 2 We query Cook County'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 Cook County?

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

Frequently Asked Questions

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

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

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

Need a Building Permit in Cook County?

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

Check Permit Requirements