Washington Plumber Exam Prep

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Washington Plumber Licensing FAQs

How to Get a Washington Plumber License

  1. Meet the experience requirements:
    1. Journeyman: Have completed 8,000 hours in their four years as a plumbing trainee.
    2. Residential Plumber:
      1. Residential (PL02): 6,000 hours in the specialty
      2. Residential Service (PL04): 4,000 hours as a plumber trainee
  2. Submit an application and pay the applicable fees
  3. Study for and pass your exam

Washington Plumber Exam Prep


“I am a Journeyman Plumber in Colorado. I have wanted to get my master license for a while, but having three kids it’s been difficult with time. I found this course online and my employer backed me on taking it. I recommend this course highly.”

Aaron Hill, CO

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