California Plumbing Exam

The California Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more.  Whether you live in Los Angeles, San Diego, San Francisco or another city or county, the resources below will help you get started:

Need of a License:  A plumbing contractor that constructs or alters a building or other structure must be licensed if the project has a combined value for labor, materials and other costs of $500 or more.    

Who Grants a License:  Plumbing contractors are regulated by the California Contractors State Licensing Board (CSLB)

Procedures for Getting a License:   A candidate for a plumbing contractor license must take two exams, one covering trade knowledge and another covering law and business subjects.  The test is a closed book exam.  Detailed information about the test is provided at the CSLB website.

Content of the Test:  The California Plumbing Exam is divided into five major sections as follows:

1. Planning and Estimating (17%)

     Planning

     Estimating

2. Rough-in Plumbing Systems (32%)

     Job site preparation for new installations

     Layout, install, and test new plumbing

     Install fuel gas systems

     Install water plumbing systems

     Specialty plumbing installations

3. Finish Plumbing Installations (13%)

     Install plumbing fixtures and accessories

     Post-installation

4. Service, Repair, and Remodel Plumbing Systems (24%)

     Job site preparation for repairs and remodels

     Service and repair

     Remodel plumbing systems

5. Worker and Job Site Safety (14%)

     Job site safety

     Worker safety

Qualifications to take the Exam and receive a License:  A candidate must have at least 4 years of experience as a journeyman, foreman, supervisor or owner-builder to qualify to take the test.   Educational credit may be given if the candidate has at least 1 year of practical experience.

Who Administers the Test:   CSLB

How to Apply for the Test:  You can register to take the exam by submitting the Application for Original Contractor's License at any CCSL office, by calling (800) 321-2752 or online at CSLB.   

Fees:  There are fees to take the test.

License Renewal:  Licenses must be renewed every two years.  There is no continuing education requirement.

Applicable Code: The California Plumbing Code is based on the Uniform Plumbing Code developed by the international Association of Plumbing and Mechanical Officials.

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For more information on licensing and exam preparation, go to Tests.com's

Journeyman Plumbing Test Guide

Master Plumbing Test Guide

And take Tests.com's Plumbing Practice Test.

For plumbing exam preparation products and services, such as study guides, practice tests, flashcards and courses, go to Tests.com's Journeyman Plumber Exam and Master Plumber Exam listings.

Pass the California Plumbing License Exam with the following plumbing practice test kits applicable to the California Plumbing Exam.  See ads below:


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