Welcome to the State of California

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CSLB Featured Topics

Contractors

CSLB offers resources and information to help contractors perform professionally, legally, and safely. Throughout this website, resources can be found in the left-hand menu.

Industry Bulletin

Make sure to notify CSLB when your contact information changes.

Contractor's Guide to Licensing

This section provides information about maintaining and changing your license.

Licenses for Limited Liability Companies (LLC)

CSLB now accepts applications for limited liability companies (LLC).

Dealing with License Problems

Learn how to solve private arbitration, judgment, and outstanding liability issues.

Dealing with a Complaint Filed Against You

Get information on what to do if a complaint is filed against you.

Filing a Construction Complaint

This section provides information on the process and procedures for filing a construction complaint.

How to Apply for Reciprocity

California has formal reciprocity agreements with the contractor licensing agencies of Arizona, Nevada and Utah. Here, contractors can learn about the application process.

Reporting Unlicensed Activity

Use CSLB's SWIFT Lead Referral form to report active illegal activity.

Franchise Tax Board Nonresident Withholding Requirements

You may have state nonresident withholding responsibilities.

Industry Expert Program

For information on how to become one of our Industry Experts.