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Washington · Plumbers · 2026 renewal guide

How to Renew Your Washington Plumber License

Washington plumbers must complete 24 hours of board-approved continuing education every 3 years, as required by Washington State Department of Labor & Industries, Plumber Certification.

Written by the TradesCE compliance team · Verified against the Washington State Department of Labor & Industries, Plumber Certification rule on September 6, 2026.

CE hours
24 hours
Renewal cycle
Every 3 years
Next deadline
Per license
Exam to renew
Not required

Who has to renew

This guide covers Washington plumbers holding a Continuing education license. Requirements are set by Washington State Department of Labor & Industries, Plumber Certification.

When to renew

Washington plumbers licenses renew every 3 years, on the schedule your board assigns to your license. Continuing education must be complete before you submit the renewal. (A plumbing contractor license expires twenty-four calendar months following the day of its issuance.)

The continuing education Washington requires

Washington State Department of Labor & Industries, Plumber Certification requires 24 hours of approved continuing education every 3 years. The hours must cover these topics:

  • Uniform Plumbing Code (plumbing code) — at least 12 hours
  • Industry-related electrical — at least 4 hours
  • Elective — at least 8 hours
  • Washington plumbing code
  • Electrical trade related (WA code)
  • Plumbing/electrical trade topics

How to renew, step by step

  1. 1

    Confirm your license class and renewal date

    Washington sets plumbers requirements by license class (Continuing education). Check the class printed on your license, then note your renewal date — renewals run the schedule your board assigns to your license.

  2. 2

    Complete 24 hours of board-approved continuing education

    Washington State Department of Labor & Industries, Plumber Certification requires 24 hours every 3 years, including Uniform Plumbing Code (plumbing code), Industry-related electrical, Elective, Washington plumbing code and other required topics. Do not leave it for the last week — completions must be on file before the deadline.

    See the Washington plumbers course
  3. 3

    Save your certificate of completion

    Download the certificate the moment you finish and keep it with your license records.

  4. 4

    Make sure your hours reach the board

    In Washington, you keep your certificate of completion and present it to the board if asked.

  5. 5

    Renew with Washington State Department of Labor & Industries, Plumber Certification

    Submit your renewal through the board’s online portal and pay the renewal fee before the deadline. A late renewal usually means a late fee, and a lapsed license can mean re-applying from scratch.

    Go to Washington State Department of Labor & Industries, Plumber Certification

Washington plumber renewal FAQ

How many continuing education hours do Washington plumbers need?
Washington plumbers must complete 24 hours of board-approved continuing education every 3 years, as set by Washington State Department of Labor & Industries, Plumber Certification.
Which license classes does the Washington plumbers CE requirement apply to?
The 24 hours requirement applies to: Continuing education.
What topics are required for Washington plumbers continuing education?
Washington State Department of Labor & Industries, Plumber Certification requires coverage of: Uniform Plumbing Code (plumbing code) (12 hours); Industry-related electrical (4 hours); Elective (8 hours); Washington plumbing code; Electrical trade related (WA code); Plumbing/electrical trade topics.
Can Washington plumbers complete continuing education online?
Yes. Board-approved online courses count toward the Washington requirement; timed seat-time and completion records satisfy audit requirements.

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