Verify a Contractor's License in Wisconsin

Search the official Wisconsin Department of Safety and Professional Services records to confirm any Wisconsin contractor is properly licensed before signing a contract. Free public lookup, updated weekly.

About Wisconsin Contractor Licensing

The Wisconsin Department of Safety and Professional Services regulates contractor licensing in Wisconsin. Residential dwelling contractors must hold a state credential.

Population served: 5.9M residents.

Licensing authority: Department of Safety and Professional Services.

General contractor license required: Yes.

Official board website: https://dsps.wi.gov/

Notable Trades Licensed in Wisconsin

How to Verify a Wisconsin Contractor

  1. Ask the contractor for their full legal name and license number.
  2. Search the ProLicenseCheck database above, or visit the Wisconsin Department of Safety and Professional Services 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 Wisconsin 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.

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