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  1. 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 …

  2. 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, …

  3. Online Service -CSLB

    State of CaliforniaOnline Services License Check Find A Licensed Contractor Application Status Processing Times Applicant Posting List Renew Your License or HIS Registration Citation …

  4. How to Get a C-20 California HVAC/AC Contractor License

    Jun 11, 2025 · In California, all contractors must obtain a license from the Contractors State License Board (CSLB), including HVAC contractors who need the C-20 License. The primary …

  5. Contractor Home Page - CSLB

    CSLB offers resources and information to help contractors perform professionally, legally, and safely. CSLB encourages licenses to routinely monitor their license status to confirm that it is …

  6. CSLB Forms and Applications

    CSLB addresses violations of California Contractors License Law, whether the contractor is licensed or unlicensed, for up to four years from the date of the act.

  7. How to get a California C-10 Electrical Contractor License

    Jun 11, 2025 · The Contractors State License Board (CSLB) is a state regulatory agency in California that oversees and licenses contractors operating within the state. Its primary …