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How to Get a Plumber License in Oregon
Plumber license requirements in Oregon — experience, exams, fees, reciprocity, and salary data from State Plumbing Board.
Requirements
01
Plumber — Install, maintain, and repair piping systems for water, gas, drainage, and sewage in residential and commercial buildings.
| Minimum Age | 18 years old |
| Education | High school diploma or GED |
| Work Experience | 8,000 hours (48 months) |
Exam Details
02
| Exam Name | Oregon Plumber Exam |
| Passing Score | 70% |
| Code Edition | Uniform Plumbing Code / International Plumbing Code |
| Application Fee | $75 |
Preparing for the Oregon Plumber Exam?
Practice with real exam-style questions based on the Uniform Plumbing Code / International Plumbing Code.
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How to Apply
03
1
Register with the state
Register with State Plumbing Board before beginning work.
2
Accumulate required experience
Complete 8,000 hrs of supervised work experience.
3
Apply for the exam
Submit your application and $75 fee through the state portal.
4
Pass the exam
questions, 70% to pass.
5
Receive your license
After passing, your license will be issued. Renew every 2 years.
Fees & Renewal
04
| Fee | Amount |
|---|
| Exam Application | $75 |
| License Renewal | $75 every 2 years |
| Continuing Education | 16 hours |
Salary Data
06
Plumbers in Oregon earn less than the national average. Data from BLS OEWS May 2024.
| Mean (average) | — / year |
| Entry level (10th pct) | — |
| Top earners (90th pct) | — |
| Total employed | — in Oregon |
| National average | $65,160 |
Data last verified April 2026. Requirements may change — always verify with the
State Plumbing Board.