Construction Trade Research Area

(C-36) Plumbing

Apply for the License and Exam

Contractors State License Board
9821 Business Park Drive
P.O. Box 26000
Sacramento, CA  95826
Phone:  (800) 321-2752
CA State License Board

Exam Type


Exam Content

Subject Areas % of Questions
Planning and Estimating 17
Rough-in Plumbing Systems 32
Finish Plumbing Installations 13
Service, Repair, and Remodel Plumbing Systems 24
Worker and Job Site Safety 14

Time Allowed (Hours)  

The California License Board does not publish the passing score. According to the Blueprint for Becoming a California Licensed Contractor, "You will be informed at the test site about the percentage of correct answers needed to pass each examination."
The qualifying individual for a contractor’s license is required to pass the written Law and Business and trade examinations unless he or she meets the requirements for a waiver.


Books NOT Allowed in the Exam

1. California Plumbing Code (California Code of Regulations, Title 24, Part 5), 2013, (Based on the 2012 Uniform Plumbing Code), ICC. Buy from Publisher
2. California Building Code, 2013, ICC. Buy from Publisher
3. Cal/OSHA Construction Safety Orders. California Code of Regulations, Title 8, Division 1 - Industrial Relations, Chapter 4, Subchapter 4. Doc Link
4. Cal/OSHA General Industry, Safety Orders with Selected Electrical Safety Orders, California Code of Regulations, Title 8, Division 1 - Industrial Relations, Chapter 4, Subchapter 7. Doc Link
5. Underground Service Alert Guidelines, California Government Code 4216 and California Business and Professions Code 7110, Dig Alert. Doc Link

Our Study System   How We Write Our Questions

Recommended Study Materials

California • (C-36) Plumbing
Product Name Price    
Comprehensive Tutorial price More Information
Practice Tests ( 3 ) price More Information Part of Bundle (below)

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The Bundle

Includes Tutorial(s) and
Practice Tests listed above

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