Best CSLB Exam Study Materials
The free official resources, the reference books CSLB recommends and what to look for in an exam prep course.
Quick answer
Start with the free CSLB study guides for Law and Business and your trade. Then use the references they list, such as the California Contractors License Law and Reference Book and the code books for your trade, and add a large bank of practice questions. A prep course can organize all of this for you.
Free Official Resources
- CSLB study guides for Law and Business and every trade, in English and Spanish
- California Contractors License Law and Reference Book, viewable on CSLB’s website
- California Employer’s Guide (DE 44) from EDD
- IRS Publication 15, Employer’s Tax Guide
- Public Works Manual from the Department of Industrial Relations
- Cal/OSHA safety orders on the DIR website
- California code books, viewable online through the Building Standards Commission
Reference Books to Consider
- Your trade’s code books, in the editions listed in your study guide
- NASCLA Contractors Guide to Business, Law and Project Management
- The construction methods books your trade study guide recommends
What to Look for in a Prep Course
- Material updated to the current CSLB study guides
- A large bank of practice questions with explanations
- Coverage of both Law and Business and your specific trade
- Live help from instructors when you get stuck
- Classes in your preferred language
- Help with the CSLB application
A Note on Schools
CSLB states that no school or application service is affiliated with or an agent of CSLB. Be cautious of anyone who promises a guaranteed pass or claims to have real exam questions; sharing exam content violates exam security rules.
CSLP Study Materials
CSLP has prepared California contractors for their CSLB exams since 2013. Our courses include help with your CSLB application, online law and trade books with practice questions and weekly live classes in English and Spanish, from $595. Compare course options.
Content reviewed against CSLB sources: November 2026
- CSLB: Examination study guides
- CSLB: Law and Business examination study guide (PDF)
- CSLB: General Building (B) examination study guide (PDF)
- CSLB: Examinations frequently asked questions
Online California Contractor License Courses
Prepare for your California CSLB Law & Business and Trade exams with flexible online contractor license courses designed for real working contractors. Choose from three study plans with 24/7 online access, bilingual support, weekly live classes, and expert guidance throughout the licensing process.
Fast Track
$595
- 2026 Updated Classes
- Online Law Book
- Online Trade Book
- Weekly Live Online Classes
- Application processing
- 24/7 Online Access
Plus
$1,395
- Everything in “Fast Track”
- Plus:
- Law & Business Flash Cards
- Per Chapter Practice Exams
- Extended Study Time
- Physical Law & Trade Books
Premium
$1,595
- Everything in “Plus”
- Plus:
- Business Launch Checklist
- Digital Business Card ($200 value)
- Double Study Time vs. “Plus”
All Online Course Packages Include:
Bilingual Lessons
English & Español
Weekly Live Classes
Online Only
Law & Trade Books
English & Español
Proven Results
20,000+ Graduates
Best CSLB Exam Study Materials: FAQs
Are the CSLB study guides enough to pass?
They tell you what is tested but do not teach the material. Use them with the references they list and plenty of practice questions.
Do I need to buy the code books?
Many are viewable online for free. Some students prefer printed copies for easier study.
Is there study material in Spanish?
Yes. CSLB publishes Spanish study guides, and CSLP teaches in English and Spanish. See the CSLB exam in Spanish.