The Washington Plumbing License Exam covers many topics including: Vents & Venting; Administrative Procedures; Fixtures; Drainage Systems and more. Whether you live in Seattle, Spokane, Tacoma or another city or county, the resources below will help you get started:
Need of a License: Journeyman and residential specialty plumbers need a license to work in Washington.
Who Grants a License: Plumbing licenses are issued by the Washington State Department of Labor and Industries.
Procedures for Getting a License: Candidates for the journeyman and residential specialty plumbers license must take and pass an exam to qualify for the license.
Qualifications to take the Exam and receive a License: A candidate for journeyman plumber must have 8,000 hours of experience, with a minimum of 4,000 hours in commercial plumbing. A candidate for residential specialty must have 6,000 hours of experience in residential or commercial plumbing. All experience must be under a registered contractor and under supervision of a certified plumber.
Candidates must complete a 16 hour continuing education program, with a 4 hour minimum requirement on industry related electrical, prior to taking the journeyman and residential specialty exams.
Test Content: The exam is in 3 parts consisting of Uniform Plumbing Code questions, a waste and vent pipe sizing drawing and a water pipe sizing drawing. The exam generally covers the following areas:
1. General knowledge of technical information and practical procedures which are a necessary part of the trade; and
2. Specific knowledge of the requirements of the Uniform Plumbing Code.
A candidate must receive a score of 70% or better to pass the exam. The journeyman exam will have drawings of one, two and more story buildings.
How to Apply for the Test: You can access the application online at Application. Application documents can be sent to:
Department of Labor and Industries
PO Box 44470
Olympia, WA 98504-4470
Applications must be received by the Olympia office at least 2 weeks before the requested examination date.
Fees: There are fees to take the test.
License renewal: Licenses must be renewed every two years. Plumbers must complete a minimum of 16 hours of continuing education to renew a license.
Applicable Code: Washington's local municipalities have adopted the International Plumbing Code (IPC) or the Uniform Plumbing Code (UPC)..
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For more information on licensing and exam preparation, go to Tests.com's
Journeyman Plumbing Test Guide
And take Tests.com's Plumbing Practice Test.