Free Scholarship Offering!

Contractors State License Services is now awarding a scholarship every quarter towards a CSLS program.
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Who Needs A California Contractors License & What Kinds Are There?

In California, anyone who contracts to perform work on a project that is valued at $500 or more for labor and materials must hold a current, valid license from the CSLB. more...

Important Notice

EPA Certified Renovator Training Available Now:
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CSLS Online Programs

In addition to the popular In-School Law & Trade Exam Preparation Program, Contractors State License Services offers these online options:

Practice Exams & Companion Guides

Existing students click here to LOGIN to STSONLINE practice Exams & Companion Guides


Contractor Online Learning & Training Center (COLT)

Existing students click here to LOGIN to Contractor Online Learning & Training (COLT)

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Contractors State License Services

The CSLS Difference

What has made Contractors State License Services one of the largest and well established Contractors school in California? 'What has kept us in business for over 20 years?' Find out more about us and how we can offer you specialized services that you won't find anywhere else.

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