California CSLB Law and Business Exam Pass Rate, Format & Study Guide

The CSLB Law and Business exam is the written law and business examination that applicants for most California contractor licenses must pass. It is issued by the California Contractors State License Board (CSLB) and administered by PSI Services LLC. The exam is taken on a computer, is multiple choice, and gives you 3.5 hours (CSLB examination FAQ); the number of questions is listed in your Notice to Schedule. This portal's practice mock has 115 questions.

California requires most contractors to hold a CSLB license, and the Law and Business exam is a required step for original license applicants. Passing it (with the trade exam) is required before CSLB issues the license.

People preparing to apply for a California contractor license and candidates retaking the exam. Experience and license-class requirements are set by the CSLB; check them before you apply.

The certifying body does not publicly publish an official pass rate for this exam. Be wary of third-party sites citing a specific number here — treat any pass-rate claim you see elsewhere for this exam as unverified.

Candidates who fail may retake after 21 calendar days as long as they are not past their 18-month application void date (CSLB examination FAQ).

Passing standard: The CSLB examination FAQ does not state a passing score, which is given with your exam materials, so none is quoted here. The exam is taken on a computer, is multiple choice, and gives you 3.5 hours (CSLB examination FAQ); the number of questions is listed in your Notice to Schedule. This portal's practice mock has 115 questions. No official pass rate for this exam was available in the sources we reviewed, so none is quoted here.

The exam is taken on a computer, is multiple choice, and gives you 3.5 hours (CSLB examination FAQ); the number of questions is listed in your Notice to Schedule. This portal's practice mock has 115 questions. Format: Computer-based multiple choice · 3.5 hours. Passing standard: The CSLB examination FAQ does not state a passing score, which is given with your exam materials, so none is quoted here.

• Business Organization and Licensing13%
• Business Finances15%
• Employment Requirements20%
• Insurance and Liens12%
• Contract Requirements and Execution21%
• Public Works5%
• Safety14%

The content outline spreads questions across 7 areas: Business Organization and Licensing (13.0%); Business Finances (15.0%); Employment Requirements (20.0%); Insurance and Liens (12.0%); Contract Requirements and Execution (21.0%); Public Works (5.0%); Safety (14.0%).

CSLB sets the experience, application and fee requirements for each contractor license class; applications are valid for 18 months from acceptance to pass the exams; confirm the current requirements with the CSLB before you apply.

A search extract of CSLB fee information lists a US$450 application fee and an examination fee of US$51.43; the CSLB fee list is the authority. The licence fee, bond and fingerprint fees are separate.

After you are licensed, the CSLB sets renewal, bond and continuing requirements; check the CSLB for the current rules.

Start with the heaviest areas of the content outline: Contract Requirements and Execution (21.0%); Employment Requirements (20.0%); Business Finances (15.0%). Then work through the remaining areas, practise jurisdiction-specific rules separately from the general content, and finish with timed full-length practice runs of 115 questions in 3.5 hours.

Content outlines, fees and passing standards change; this guide follows the materials listed under Verification as of October 2026. Check the licensing authority and test administrator before you register.