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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...

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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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Contractor Online Learning & Training Center

Online Exam Preparation Courses
Are you looking for a quick and efficient method of exam preparation?

Or perhaps you'd just like to study at your own pace and in the comfort of your own home, office or hotel room…anywhere you access the internet.
Our Convenient Online Courses Can Help! Contractors Online Learning and Training is the perfect, no-excuse learning method.

Contractors Online Learning and Training

This learning format offers comprehensive and cost effective, self-paced courses 24 hours a day. The online courses combine a review of exam topics, a review of exam practice questions and 50-question course finals in an interactive, accessible format. Some courses utilize audio and video podcasts to bring CSLS classroom courses to you.

Individualize Your Online Exam Preparation Program

Pick and choose your specific areas of study or purchase a bundled program that will provide an overview of multiple subjects for your study needs.

Use these programs to supplement your current study program or use as a crash course of study to test your knowledge in specific areas.

Registration and Purchase Information

To purchase a course or view free content, you must first register to create your user profile by visiting the COLT Registration page and following the instructions to view the list of available courses. Contractor Licensing Exam Prep Courses are economically priced starting at $99.00 for 30 days access.

Enrollment Periods and Course Completion Time Limits

The enrollment period for every COLT course is 30 days. If you are unable to complete your course within the stated time period, you may purchase additional 30 day periods of access for an additional fee.

Available courses include:

  • California Contractor Law & Business Exam Prep

  • General Engineering Contractor (GEN A) Exam Prep

  • General Building Contractor (GEN B) Exam Prep

  • Specialty Contractor Trade Exam Prep for the most popular trades with additional courses being added weekly

Don't see what you're looking for? CSLS is always adding new programs to our curriculum. Let us know what you're looking for and we'll make every effort to get a program set up that will work for you! Contact us at: educationdept@cslscorp.com


Register and Order your Online Exam Preparation Courses today!

Register and Order your Online Exam Preparation Courses today!


CLICK HERE FOR EXISTING STUDENT TO LOG-IN to Contractor Online Learning & Training Center

Need the benefits of a classroom setting and live instruction? CSLS also offers Online & In-school Instructor-led courses.

Law & Business Online Program
In addition to the COLT courses, our popular Law & Business course is available in a live, interactive, online classroom. Law and Business Online brings the classroom to you. Interact with your instructor using video, audio, instant chat, whiteboard, and polling just as if you were in a CSLS classroom. Learn More…


In-School Law & Trade Program
Nothing beats the CSLS classroom experience when it comes to face-to-face access to instructors who are committed to helping you pass your license exam the first time. Learn more…