Plumber license planning guide for Hawaii
Journeyman Plumber, Master Plumber, and/or Plumbing Contractor license
Typical requirements to verify
- Complete state-approved apprenticeship (typically 4+ years / 8,000+ hours)
- Pass state journeyman plumber exam
- For master license: 1-2 years as licensed journeyman
- For plumbing contractor: master plumber license + business insurance
- Submit application with experience verification
- Pay application and license fees
Experience and exam
Experience: 4+ years apprenticeship for journeyman; 1-2 additional years for master
Exam indicated: Yes
Insurance and renewal
Insurance: Liability insurance required for contractors; recommended for all
Renewal: Annual or biennial renewal with continuing education
Local requirements
Hawaii cities and counties may require additional local permits and business licenses — always check with your local building department.
Common exemptions to verify
- Property owners working on their own primary residence
- Minor repairs under typical thresholds