California requires a state exam for this license, and passvana has a practice track for it: California Contractor Law and Business Exam. Here is what the exam looks like, from the official candidate bulletin and the state's own rules.
California Contractor Law and Business Exam
- The exam: The Law and Business exam, required of every new license qualifier unless waived, given by PSI for the Contractors State License Board. (CSLB Get Licensed to Build)
- Format: Multiple choice, four options, one best answer. Closed book; a calculator is provided. (CSLB study guide 13E-LAW (03-2026))
- Time: 3 1/2 hours. (CSLB exam FAQ)
- Question count: Not published by CSLB. (CSLB exam FAQ)
- Passing score: Not published. CSLB says the percentage needed varies for each exam. (CSLB Get Licensed to Build, Q14)
How to pass on your first try
- Learn the deadlines and dollar figures exactly. Lien notice deadlines, licensing thresholds and contract rules are tested as numbers, and a near miss is a wrong answer.
- Check whether your exam is open book. The format above says. If it is, tab your approved references so you can find a rule quickly instead of reading for it.
- Practice any math the outline lists. Estimating, payroll and financial questions give you the figures and expect a worked answer.
- Take full timed mock exams before test day, so the length and pace of the real exam hold no surprises.
Free practice questions
The track page has free sample questions and a topic breakdown matched to the official outline: California Contractor Law and Business Exam. The Resources tab also has quick-reference tables built from checked facts; see what is in the California Contractor Law and Business Key Facts Digest.