State plumbing guide · OR
Plumbing in Oregon
Oregon writes its own Plumbing Specialty Code, based on the Uniform Plumbing Code, and licenses journeyman plumbers through the Building Codes Division. Plumbing contractors are licensed separately by the Construction Contractors Board.
- Median home built
- 1982
- Built before 1980
- 48%
- Owner-occupied
- 63%
- Winter
- Occasional hard freezes
- General statewide rating
- Plumbing code
- UPC
- City guides
- 1
Housing figures: U.S. Census Bureau, ACS 2024 1-year (B25035, B25034).
Oregon city plumbing guides
How to check a plumber's license in Oregon
Oregon's Building Codes Division issues journeyman plumber licenses; plumbing contractors are licensed by the Construction Contractors Board. [1]
Which plumbing code applies in Oregon
The 2023 Oregon Plumbing Specialty Code is based on the 2021 Uniform Plumbing Code, as amended by the Building Codes Division. [2]
Seasonal problems to plan for in Oregon
- Storm season
- Heavy rain: sewer backups and sump pump failures.
- Winter
- Hard freezes: protect exposed pipes, disconnect hoses. Frozen pipes.
How old Oregon's homes are
Statewide, the median home was built in 1982 and 48% of homes predate 1980. Homes like that were usually built with copper or CPVC supply, plastic drains, and in some homes gray polybutylene supply pipe. The city guides below show how much that varies within the state.
Oregon plumbing questions
How do I check a plumber's license in Oregon?
Check the business with the Oregon Construction Contractors Board and the individual plumber's license with the Building Codes Division.
Which plumbing code applies in Oregon?
The Oregon Plumbing Specialty Code (2023), based on the 2021 Uniform Plumbing Code.
Sources (3)
- U.S. Census Bureau, ACS 2024 1-year (B25035, B25034) · checked 2026-10-01
- Oregon Building Codes Division, Journeyman plumber license · checked 2026-10-01
- Oregon Building Codes Division, Plumbing Code Program · checked 2026-10-01