How do I know if my contractor is licensed?

By law, anyone who contracts for or bids on a construction project valued at $500.00 or more (total labor and materials) must be licensed by the California State License Board (CSLB). To qualify for a license, a contractor must pass a criminal background check, verify four years of journey-level experience in the trade, pass both a trade and license law exam, and post a license bond. Contractors are required by law to put their CSLB license number in all advertisements including business cards. Therefore, you may ask to see the contractor’s plastic pocket license and a photo identification, and then verify the license and its status via the CSLB website.