California Contractors State License Board
California law requires a CSLB licence for most construction jobs worth $1,000 or more. The board's licence check shows classification, bond and workers'-comp status, and expiry — always verify before hiring a contractor in California.
Verify on the official register →
Based on public register and directory records collected up to Jun 27, 2026. Not an official membership count.
Check a specific trader
Thinking of hiring someone? Confirm their current CSLB status on the official register, then run their name through our Cowboy Checker to see their reviews, credentials and company record in one place.
Where CSLB holders are
- CA
- AZ
- LA
Trades that hold it
Builder · 96,876General Contractor · 23,900Electrician · 19,907General Engineering Contractor · 14,769Painter / Decorator · 12,322Plumber · 11,651Landscaper · 9,835HVAC Contractor · 8,623Flooring Contractor · 5,689Tiler · 4,334
CSLB holders with review evidence
These businesses hold a current CSLB record and have customer reviews we can show — a small slice of all holders, not the register itself.
Common questions
What is California Contractors State License Board?
California law requires a CSLB licence for most construction jobs worth $1,000 or more. The board's licence check shows classification, bond and workers'-comp status, and expiry — always verify before hiring a contractor in California. (Licence required by law.)
How many tradespeople hold California Contractors State License Board?
We track 232,500 tradespeople with a California Contractors State License Board record, based on register and listing data collected up to Jun 27, 2026. This reflects the public records we have collected, not necessarily the scheme's complete membership.
Can a California Contractors State License Board record be out of date?
Yes. 16,085 of the records we track appear expired or past their recorded expiry date, based on register and listing data collected up to Jun 27, 2026. Always confirm current status on the official register before hiring.
How do I check whether a specific trader holds California Contractors State License Board?
Check the official register at https://www.cslb.ca.gov/onlineservices/checklicenseII/checklicense.aspx, or look the trader up on MyTrustedTraders — profiles show the credentials we have found for them, alongside reviews and other public evidence.
Keep checking
We show what the public records say, with dates — a listing here is not an endorsement, and absence from our data does not mean a trader is unregistered. Always confirm current status with the scheme before you hire.