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 and 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: