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How to get a plumbing license in Idaho

Edited by John Voll. Last verified .

Idaho State Plumbing Board (Division of Occupational and Professional Licenses) licenses plumbing contractors in Idaho.

Who licenses plumbing work in Idaho

CredentialState license
BoardIdaho State Plumbing Board (Division of Occupational and Professional Licenses) official statement
Official lookupSearch plumbing licenses
License typesPlumbing Contractor certificate of competency, Plumbing Specialty Contractor certificate of competency

How to get licensed

  1. Apply to Division of Occupational and Professional Licenses as a Plumbing Contractor certificate of competency or Plumbing Specialty Contractor certificate of competency.
    Board page
  2. Plumbing contractor applicants must pass an exam designated by the Plumbing Board. source
  3. Experience: A plumbing contractor must first hold a journeyman certificate, which takes 8,000 hours of apprentice work experience plus 576 hours of board-approved instruction, or 16,000 hours of plumbing experience. source
  4. Post a compliance bond of $2,000, kept in effect for the whole certificate period. source
  5. Pay the plumbing Board application fee: $22.50. source
  6. Plumbing certificates of competency are issued for three years. source

Plumbing requirements in Idaho

Plumbing: exam, experience, bond, insurance, renewal and feesSources checked October 6, 2026
ExamPlumbing contractor applicants must pass an exam designated by the Plumbing Board. source
ExperienceA plumbing contractor must first hold a journeyman certificate, which takes 8,000 hours of apprentice work experience plus 576 hours of board-approved instruction, or 16,000 hours of plumbing experience. source
BondCompliance bond of $2,000, kept in effect for the whole certificate period. source
InsuranceNot found on an official source.
Renewal3 years (Plumbing certificates of competency are issued for three year). source
ReciprocityNot found on an official source.
Fees
  • $22.50 (Plumbing Board application fee). source
  • $147 (Plumbing contractor initial license fee). source
  • $108 (Plumbing contractor renewal fee). source
  • $147 (Plumbing contractor reinstatement fee). source

Hiring a plumbing contractor?

See every official lookup in Idaho, which board covers which trade, and what to check before you hire.

How to verify a contractor license in Idaho

Questions

Do you need a plumbing license in Idaho?
Idaho State Plumbing Board (Division of Occupational and Professional Licenses) licenses plumbing contractors in Idaho.
How do I check a plumbing license in Idaho?
The Idaho State Plumbing Board (Division of Occupational and Professional Licenses) keeps the record for plumbing contractors in Idaho. Use the official lookup on this page, and treat the board's own record as final.
How much does a plumbing license cost in Idaho?
$22.50 (Plumbing Board application fee). $147 (Plumbing contractor initial license fee). $108 (Plumbing contractor renewal fee). $147 (Plumbing contractor reinstatement fee).
How much experience do you need for a plumbing license in Idaho?
A plumbing contractor must first hold a journeyman certificate, which takes 8,000 hours of apprentice work experience plus 576 hours of board-approved instruction, or 16,000 hours of plumbing experience.
How often does a plumbing license renew in Idaho?
Plumbing certificates of competency are issued for three years.

Other trades in Idaho

Plumbing license in other states

Sources

This is not a government site. The licensing board's own record governs; always confirm on the official lookup. Information as of October 6, 2026.