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How many hours do you need for the journeyman license in Idaho?
8,000 hours of supervised work, about 4 years full time.1
Keep your own record of hours, employers and pay stubs. Idaho Division of Occupational and Professional Licenses, Plumbing Board can ask for proof when you apply.
What is the Idaho plumber exam like?
You take the state exam once the board approves your hours. The exam is given by PSI.12
How much does the journeyman license cost?
Idaho Division of Occupational and Professional Licenses, Plumbing Board lists these fees.3
| Fee | Amount |
|---|---|
| Application | $22.50 |
| Journeyman initial | $29.40 |
| Journeyman renewal | $21.60 |
| Apprentice | $50 |
| Contractor initial | $147 |
| Contractor renewal | $108 |
How do you renew it?
Journeyman and contractor 3 years; apprentice 5 years; specialty apprentice 3 years.3 Continuing education: idaho Code requires proof of continuing education to renew a plumbing journeyman or contractor certificate, with the content set by the board; the current plumbing rules list no required hours. Specialty certificates need none.4
License levels in Idaho
Apprentice; journeyman; contractor; specialty apprentice, journeyman and contractor.
Applications, exam booking and hour forms are on Idaho Division of Occupational and Professional Licenses, Plumbing Board's site.
More for plumbers in Idaho
Sources
- Idaho Division of Occupational and Professional Licenses, Plumbing Board: exam (adminrules.idaho.gov, 2026-10-27)
- Idaho Division of Occupational and Professional Licenses, Plumbing Board: exam provider (dopl.idaho.gov, 2026-10-27)
- Idaho Division of Occupational and Professional Licenses, Plumbing Board: fees (dopl.idaho.gov, 2026-10-27)
- Idaho Division of Occupational and Professional Licenses, Plumbing Board: continuing education (legislature.idaho.gov, 2026-10-27)