How do I become a plumbing apprentice in Washington?
Short answer:Who licenses this trade: State: plumber trainee, journey level (PL01) and specialty plumber certificates. Apprentice registration: Yes. Start as a certified plumber trainee. Experience before the journeyman exam: 4+ years (at least 8,000 hours) as a plumber trainee under a certified journey-level plumber; at least 4,000 commercial/industrial. Who can supervise an apprentice: A certified journey-level plumber.
Last checked. Official source: lni.wa.gov.
Licensing rules
| Who licenses this trade | State: plumber trainee, journey level (PL01) and specialty plumber certificatesOfficial source: lni.wa.gov |
|---|---|
| Apprentice registration | Yes. Start as a certified plumber traineeOfficial source: lni.wa.gov |
| Experience before the journeyman exam | 4+ years (at least 8,000 hours) as a plumber trainee under a certified journey-level plumber; at least 4,000 commercial/industrialOfficial source: lni.wa.gov |
| Apprentices per supervisor | Not yet confirmed with an official source, check the official link. |
| Who can supervise an apprentice | A certified journey-level plumberOfficial source: lni.wa.gov |
Last checked . 4 of 5 items confirmed against official sources; flagged items are still pending. Main board: Washington Department of Labor & Industries (L&I), Plumbing Program.
Frequently asked questions
Who licenses plumbers in Washington?
State: plumber trainee, journey level (PL01) and specialty plumber certificates.Source: lni.wa.gov
Do plumbing apprentices have to register in Washington?
Yes. Start as a certified plumber trainee.Source: lni.wa.gov
How much experience do you need before the journeyman plumber exam in Washington?
4+ years (at least 8,000 hours) as a plumber trainee under a certified journey-level plumber; at least 4,000 commercial/industrial.Source: lni.wa.gov
Who can supervise a plumbing apprentice in Washington?
A certified journey-level plumber.Source: lni.wa.gov
Plumbers and apprentices in Washington
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Next steps
Electrical in Washington · HVAC in Washington · Washington overview · Plumbing in every state