Plumber License Requirements in Alaska
| Licensing Authority | Department of Labor and Workforce Development, Mechanical Inspection Section (DOLWD) |
| License Type | Journeyman Plumber Certificate of Fitness |
| Experience Required | 8,000 hours of supervised plumbing work under a licensed Master Plumber for Journeyman Certificate of Fitness |
| Education Substitute | Approved plumbing apprenticeship program may satisfy experience requirements |
| Exam Required | Yes — Journeyman Plumber Exam |
| Bond Required | No |
| Insurance | General liability: recommended. Workers comp: required with employees |
| Continuing Education | Not required |
| Processing Time | 4-6 weeks |
Fee Breakdown
| Application Fee | $50 |
| Exam Fee | $50 |
| Initial License Fee | $50 |
| Est. Initial Total | $150 |
Renewal: $50 every 2 years
Exam Requirements
Journeyman Plumber Exam
Pass: 70%
Alaska Plumbing CodePlumbing systemsSafety practices
Exam provider: Mechanical Inspection Section
License Tiers
Trainee Plumber
Entry level — must work under supervision
Exam: Not required
Journeyman Plumber
8,000 hours supervised plumbing work
Exam: Required
Notes
- Exams given by appointment only — contact Mechanical Inspection office
- Plumbing contractor business license also required through CBPL
Frequently Asked Questions
Do I need a plumber license in Alaska?
Yes, Alaska requires a statewide plumber license through the Department of Labor and Workforce Development, Mechanical Inspection Section.
How much does a plumber license cost in Alaska?
The estimated initial cost is $150, including application, exam, and license fees.
Data last verified: 2026-04-02 | Source: DOLWD