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- Check A License - CSLB
Before hiring a contractor or signing a contract, CSLB recommends you read the Hiring a Contractor page Enter the contractor license number to check the status of their license SEARCH TIPS A California contractor license number doesn't contain alphabetic characters
- Check A License - CSLB
Look up a contractor license or Home Improvement Salesperson (HIS) registration to verify information, including complaint disclosure Before hiring a contractor or signing a contract, CSLB recommends you read the Hiring a Contractor page
- CSLB-Home -CSLB
The Contractors State License Board (CSLB) protects California consumers by licensing and regulating the state's construction industry CSLB was established in 1929 and today licenses about 285,000 contractors in 45 different classifications
- Online Service -CSLB
Renew Your License or HIS Registration Citation Payment Request Applications and Forms Submit General Liability Insurance Information Submit Workers’ Compensation Insurance Information Submit Workers’ Compensation Insurance Exemption Submit Asbestos Open Book Exam File a Complaint Public Data Portal Public Sales Order Form Surety Bond
- Check A License - License Detail -CSLB
Is this your license? Does any of the information need to be corrected updated? Find out how to make changes to your license info
- Consumer -CSLB
CSLB online services will be unavailable on Sunday June 21, 2026 from 5:00am until 9:00am due to system maintenance
- Licensees -CSLB
Your License Renew Your License Maintain or Make Changes to Your License CSLB Processing Times CSLB License Classifications Submit Workers’ Compensation Exemption Form Submit Workers’ Compensation Insurance Policy For Insurance Companies Only) Submit General Liability Insurance Policy Info (For Insurance Companies Only)
- Consumer Home Page - CSLB - California
Learn how to select a licensed, qualified contractor; check the status of a contractor license; negotiate a clear contract; prevent disputes and mechanics liens; and resolve contractor disputes
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