Plumber Trainee

Before applying or renewing online ...

...make sure you can meet all of the requirements
  • The fee is $45.20.
  • You must not have any outstanding, unpaid infractions with L&I.
  • If you have affidavits of experience to submit, mail them to:

    Department of Labor & Industries
    Plumber Certification Section
    PO Box 44470
    Olympia, WA 98504-4470

Before you apply online, you will need the following:
  • Your Social Security number.
  • We accept Visa, MasterCard, Discover and American Express credit cards

    Visa Card

    Mastercard

    Discover

    American Express

    Visa

    MasterCard

    Discover

    American Express

  • Note: We now accept E-Check, a one time withdrawal from your checking account.
What L&I will do:
  • Verify the hours on the affidavit.
  • Mail your certificate within 2-4 weeks of receipt of your affidavits.
Apply online now

 

  • The renewal fee is $45.20.
  • You must not have any outstanding, unpaid infractions with L&I or a collection agency.
  • If your certificate is suspended for any reason, you may not renew online and you must contact us about reinstating it.
  • If you have affidavits of experience, you must mail them to Department of Labor & Industries, Plumber Certification Section, PO Box 44470, Olympia, WA 98504-4470.
  • 8 hours of approved continuing education each year is required for plumber trainee renewal.
Before you proceed to renew online, you will need the following:
  • Your 12-digit license number.
  • An active license (not suspended or canceled).
  • Required documents on file with the department.
  • We accept Visa, MasterCard, Discover and American Express credit cards

    Visa Card

    Mastercard

    Discover

    American Express

    Visa

    MasterCard

    Discover

    American Express

  • Note: We now accept E-Check, a one time withdrawal from your checking account.
Renew online now
You can also get or renew your plumber trainee certificate

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