Contractors State License Schools

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1170 Burnett Ave Ste C
Concord, CA 94520
+1 (925) 686-8393
https://contractorexamschools.com

Contractors State License Schools (CSLS) has been a leading provider of contractor exam preparation in California for over 40 years, helping more than 200,000 students successfully obtain their licenses across various trades. With a commitment to student success and a track record of 99% pass rates on the first attempt, CSLS utilizes the innovative Mizener Method to prepare students thoroughly for their exams.

Offering a range of convenient learning options including online programs, home study, and in-class courses, CSLS is dedicated to making the licensing process accessible and efficient. The school not only emphasizes academic excellence but also fosters a supportive community that strengthens California's construction industry.

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Reviews

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4.557 reviews
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Max G.
11/21/2025

The school has all the information you need and more. I highly recommend getting a hard copy of the manual, it's like a construction bible. Navigating the process with process from beginning to...

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John S.
11/17/2025

Congratulations to Oliver for passing on the first try! This school has been a game-changer for our company. We now have two more team members in testing, and we're on track to begin 2026 with...

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Yoel H.
10/29/2025

I reached out to CSLS to get study materials for my A General Engineering license exam with the CSLB, and I couldn't be happier with my experience. Jerry Woods handled my account and went above...

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Raphael H.
10/22/2025

Valerie is a true professional. She is super knowledgeable. She knows everything about licenses in the CSLB, she is really helpful, friendly and accommodating. Me and my friends all use her...

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Todd S.
4/23/2025

Great place to start or refresh your career. I would like to be a teacher here but I live in Fairfield. So after bridge toll and fuel it would cost me money to teach at your school.

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