How do I become a plumbing apprentice in Hawaii?
Short answer:Who licenses this trade: State: journey worker plumber (PJ) and master plumber. Experience before the journeyman exam: 5 years but not less than 10,000 hours of plumbing work.
Last checked. Official source: cca.hawaii.gov.

Licensing rules
| Who licenses this trade | State: journey worker plumber (PJ) and master plumberOfficial source: cca.hawaii.gov |
|---|---|
| Apprentice registration | Not yet confirmed with an official source, check the official link. |
| Experience before the journeyman exam | 5 years but not less than 10,000 hours of plumbing workOfficial source: cca.hawaii.gov |
| Apprentices per supervisor | Registered apprenticeship programs: 1 apprentice to 1 journeyworker (DLIR ratio chart)Official source: labor.hawaii.gov |
| Who can supervise an apprentice | Not yet confirmed with an official source, check the official link. |
Last checked . 3 of 5 items confirmed against official sources; flagged items are still pending. Main board: Hawaii Board of Electricians and Plumbers (DCCA Professional and Vocational Licensing).
Frequently asked questions
Who licenses plumbers in Hawaii?
State: journey worker plumber (PJ) and master plumber.Source: cca.hawaii.gov
How much experience do you need before the journeyman plumber exam in Hawaii?
5 years but not less than 10,000 hours of plumbing work.Source: cca.hawaii.gov
How many apprentices can one supervisor oversee in Hawaii?
Registered apprenticeship programs: 1 apprentice to 1 journeyworker (DLIR ratio chart).Source: labor.hawaii.gov
Plumbers and apprentices in Hawaii
No profiles in Hawaii yet. Every profile is opt-in, so the list starts empty and grows as people join.
Next steps
Electrical in Hawaii · HVAC in Hawaii · Hawaii overview · Plumbing in every state
Plumbing in nearby states: California