Before applying or renewing online ...
... make sure you can meet all of the requirements
- The fee is $151.90.
- You must pay by credit card (VISA/MC). No debit cards.
- You must not have any outstanding, unpaid infractions with L&I.
- If applying for a reciprocal license, please have your active out of state journeyman certificate number on hand. Mail a copy of your active journeyman card as well as your driver's license to the department.
- If applying for an examination, verify that all of your hours
are on file with the department. Mail any additional affidavits
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.
- Your credit card handy.
What L&I will do:
- Verify that the following information is on file with the department:
- Affidavits of Experience.
- Reciprocal Information.
- For examinations, mail an examination notice.
- For reciprocal, once approved, a notice will be mailed requesting an additional pro-rated licensing fee.
Apply online now
- You must pay by credit card (VISA/MC - credit option only).
- If you pay by your expiration date, your renewal fee is $121.60.
- If you are renewing after your expiration date and your renewal is not more than 90 days late, your renewal fee is $243.20.
- If you pay by your expiration date for your Backflow Plumbers certificate the renewal fee is $83.90.
- If you are renewing your Backflow Plumbers certificate after your expiration date and your renewal is not more than 90 days late, your renewal fee is $167.80.
- If your renewal is more than 90 days late, you may not renew and must contact us about retaking your certification exam.
- If your certificate is suspended for any reason, you may not renew online and you must contact us about reinstating it.
- You must not have any outstanding, unpaid infractions with L&I or a collection agency.
- Effective July 1, 2006 - 16 hours of continuing education is required for renewal of journeyman or residential specialty plumber certificates. These 16 hours must consist of a minimum of 8 hours code and a minimum of 4 hours IRE and the other 4 hours may be from any category (code, IRE, IRP).
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.
- Your credit card handy.
Renew online now
You can also get or renew your plumber or reciprocal certificate
- By mail: Print the Plumber Certification Application (143 KB PDF) and follow the directions.
- In person: at any L&I field office.
Requirements for
applying for a plumber examination or reciprocal certificate