Verify a Contractor's License in Illinois

Search the official Illinois Department of Financial & Professional Regulation records to confirm any Illinois contractor is properly licensed before signing a contract. Free public lookup, updated weekly.

About Illinois Contractor Licensing

The Illinois Department of Financial & Professional Regulation regulates contractor licensing in Illinois. Most general contractor licensing is handled at the city level.

Population served: 12.5M residents.

Licensing authority: Local municipalities (general); state (roofing/plumbing).

General contractor license required: No.

Official board website: https://idfpr.illinois.gov/

Notable Trades Licensed in Illinois

How to Verify a Illinois Contractor

  1. Ask the contractor for their full legal name and license number.
  2. Search the ProLicenseCheck database above, or visit the Illinois Department of Financial & Professional Regulation directly.
  3. Confirm the license is currently active, not expired or suspended.
  4. Check whether the license type matches the work being performed.
  5. Verify the address and contact information on file matches what the contractor provided.

Why License Verification Matters

Hiring an unlicensed contractor in Illinois can leave you legally and financially exposed. Unlicensed work often voids homeowner insurance claims, can prevent property sales, and leaves you with no recourse if the work is defective.

Verify Contractors in Other States