Early access in the United States. We are still building our directory for the United States. The profiles here show real public evidence from named sources, but coverage is limited and our checks are not yet as complete as on our UK site. Treat this as a preview, not a full picture.

License required by law

California Contractors State License Board

California law requires a CSLB license for most construction jobs worth $1,000 or more. The board's license check shows classification, bond, workers'-comp status and expiration. Always verify before hiring a contractor in California.

Verify on the official register →

232,978contractors with a CSLB entry in the public data we track
16,124entries appear expired or past their stated expiry date

Based on public register entries and source listings collected up to Jul 14, 2026. Not an official membership count.

Check a specific contractor

Thinking of hiring someone? Confirm their current CSLB status on the official register, then run their name through our Rogue Contractor Check to see their reviews, credentials and company details in one place.

Where CSLB holders are

  • CA232,573 entries tracked
  • AZ7 entries tracked
  • LA3 entries tracked
  • Baton Rouge1 entry tracked
  • Brooklyn1 entry tracked
  • Brunswick1 entry tracked
  • Carlsbad1 entry tracked
  • Centralia1 entry tracked
  • Chico1 entry tracked

Trades that hold it

Builder · 96,879General Contractor · 23,913Electrician · 19,938General Engineering Contractor · 14,769Painter / Decorator · 12,323Plumber · 11,694Landscaper · 9,854HVAC Contractor · 8,624Flooring Contractor · 5,693Tiler · 4,334

CSLB holders with review evidence

These businesses hold a current CSLB entry and have customer reviews we can show. This is a small slice of all holders, not the register itself.

Common questions

What is California Contractors State License Board?

California law requires a CSLB license for most construction jobs worth $1,000 or more. The board's license check shows classification, bond, workers'-comp status and expiration. Always verify before hiring a contractor in California. (License required by law.)

How many contractors hold California Contractors State License Board?

We track 232,978 contractors with a California Contractors State License Board entry, based on register and listing data collected up to Jul 14, 2026. This reflects the public entries we have collected, not necessarily the scheme's complete membership.

Can a California Contractors State License Board entry be out of date?

Yes. 16,124 of the entries we track appear expired or past their stated expiry date, based on register and listing data collected up to Jul 14, 2026. Always confirm current status on the official register before hiring.

How do I check whether a specific contractor holds California Contractors State License Board?

Check the official register at https://www.cslb.ca.gov/onlineservices/checklicenseII/checklicense.aspx, or look the contractor up on MyTrustedTraders. Profiles show the credentials we have found for them, alongside reviews and other public evidence.

Keep checking

All certificationsRogue Contractor CheckCompany Health Check

We show what the public sources say, with dates. A listing here is not an endorsement, and absence from our data does not mean a contractor is unregistered. Always confirm current status with the scheme before you hire.