Welcome to the State of California

Contact Us

Contractors State License Board
9821 Business Park Drive
Sacramento, CA 95827
Phone (800) 321-CSLB


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Add a Classification

Steps in this Section

This section will help you understand how to add classifications to your existing contractor's license. You may find it helpful to view the QuickLinks on the left for further information.

Step 1: Before Adding a Classification

This step informs you of things you should know before applying for an additional classification.

Step 2: Requirements for Adding a Classification

This step guides you through the application process for adding classification to your license.

Step 3: Qualifying for a Waiver

This step informs you about conditions under which you may qualify for a waiver of an examination.

Go to First Step >>