How to Check a Contractor's License

Updated 2026

Verifying a contractor's license is one of the most important steps in the hiring process. Every state has a licensing board where you can look up contractor credentials, check for complaints, and verify insurance status. Here is how to do it.

Step 1: Ask the contractor for their license number. Every legitimate contractor will provide this willingly. If they hesitate or make excuses, that is a major red flag.

Step 2: Visit your state's contractor licensing board website. Search for the contractor by license number or business name. Verify that the license is active, not expired or suspended.

Step 3: Check for complaints and disciplinary actions. Most state boards publish complaint history and enforcement actions. A contractor with multiple complaints or disciplinary actions should be avoided.

Step 4: Verify insurance. Ask the contractor for a certificate of insurance and call the insurance company to verify it is current. Ensure they carry both general liability and workers compensation.

Step 5: Cross-reference with our directory. Our listings include license numbers and verification status, making it easy to confirm a contractor's credentials before making contact.