Portland, OR · plumbing service
Repiping in Portland, OR
Over 60% of homes predate 1980, and galvanized supply pipe is common in older houses. Call to be connected with an independent, licensed plumber who handles repiping in Portland; they diagnose the problem and quote the work before starting.
By calling, you agree to be connected with an independent plumbing contractor serving your area. Calls may be recorded for quality and training. The call and referral are free, and you are never obligated to hire.- Licensed local plumbers
- Free call and referral
- You approve the quote first
Common signs
- Rusty water
- falling pressure
- repeated pinhole leaks
Repiping services in Portland
- RepipingReplacing old galvanized, polybutylene or failing copper lines.
- Pipe RepairLeaks, corrosion, cracked lines and low pressure from damaged pipes.
- Leak DetectionHidden leaks behind walls, ceilings or floors, or a bill that suddenly jumps.
- Water Line RepairLeaks and breaks in the main line from the meter.
- Water Pressure ProblemsDiagnosing low or high water pressure.
Problems repiping fixes
- Rusty or discolored water
- Pinhole leaks in different places
- Falling water pressure
- Galvanized or polybutylene supply pipe
Why repiping comes up in Portland
Over 60% of homes predate 1980, and galvanized supply pipe is common in older houses.
With 62% of Portland's housing built before 1980, a large share of homes still has original galvanized steel or early copper supply lines. Galvanized pipe rusts from the inside, which is why repiping questions here usually start with brown water or falling pressure.
- Typical home built
- 1966
- Homes before 1980
- 62%
- Water hardness
- 5 gpg
- moderately hard
- Winter freezes
- Occasional hard freezes
How the work is done
- 1Survey the systemIdentify the pipe material, its condition and the fixture count.
- 2Plan the routeChoose PEX or copper and plan wall openings to keep them small.
- 3Permit and installRepiping usually requires a permit; fixtures are reconnected in stages.
- 4Pressure test and patchTest before inspection; openings are patched afterward.
What affects the price
The plumbing company sets the price after seeing the job; ask for it in writing before work starts.
- Size of the home and number of fixtures
- PEX or copper
- Access through walls, attic or crawlspace
- Drywall repair
- Permit and inspection
Plumbing work we connect Portland homeowners with
Repiping in Portland: questions
Do I need a permit to repipe my house in Portland?
Yes. Portland requires a plumbing permit to replace or move plumbing pipes, and switching from copper or galvanized to plastic may also need an electrical permit.
Who owns the water service line to my house in Portland?
For services one inch or smaller, the Portland Water Bureau handles the main through the meter stop, and the property owner is responsible from the meter stop onto the property.
Why is repiping a common call in Portland?
Over 60% of homes predate 1980, and galvanized supply pipe is common in older houses.
How old are most homes in Portland?
The median home in Portland was built in 1966, and 62% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).
Does repiping in Portland need a permit?
Usually, when piping changes; the plumber normally pulls it.
Should old pipes in a Portland home be repaired or replaced?
One leak in otherwise sound pipe is usually repaired; when galvanized or failing pipe leaks in several places, repiping costs less over time. In Portland: over 60% of homes predate 1980, and galvanized supply pipe is common in older houses.
Who supplies water in Portland?
Portland Water Bureau. Past the meter, plumbing is the owner's.
More plumbing services in Portland
- Sump Pump Repair in Portland, ORSump Pump Repair in Portland, OR: months of rain keep groundwater high around basements and crawl spaces.
- Emergency Plumbing in Portland, ORPlumbing emergency in Portland, OR? Who to call (Portland Water Bureau or a plumber), what to shut off first, and the emergencies most likely in Portland homes.
- All plumbing services in PortlandEvery plumbing service available to Portland homes.
Local rules and details for Portland
Portland facts behind this page
For repiping that changes or replaces piping, Portland's plumbing code and permit rules apply (see the source below). Ask the plumber whether your job needs a permit and who pulls it; a licensed plumber normally does.
- The median home in Portland was built in 1966. [1]
- About 62% of Portland's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
- Bull Run water, Portland's main supply, is soft at about 7 to 11 ppm (roughly half a grain per gallon), while its backup groundwater supply is moderately hard at about 80 ppm (5 grains per gallon). [2]
- Plumbing in Portland follows the 2023 Oregon Plumbing Specialty Code, based on the 2021 Uniform Plumbing Code. [3]
- Portland Permitting & Development says a plumbing permit is needed to repair, replace or move any plumbing pipes, add new piping, or install or replace water service lines. Replacing a metal water line (copper or galvanized steel) with a plastic line may also need an electrical permit and a new grounding electrode. Permits are issued within 24 hours after payment. [4]
- Under Portland City Code 21.30.130, for water services one inch or smaller the Portland Water Bureau maintains, repairs or replaces the section from the main through the meter to the meter stop. The property owner is responsible for the portion from the meter stop to the right-of-way and on the private property. [5]
Portland rules and programs for repiping
- Portland Permitting & Development says a plumbing permit is needed to repair, replace or move any plumbing pipes, add new piping, or install or replace water service lines. Replacing a metal water line (copper or galvanized steel) with a plastic line may also need an electrical permit and a new grounding electrode. Permits are issued within 24 hours after payment. [4]
- Under Portland City Code 21.30.130, for water services one inch or smaller the Portland Water Bureau maintains, repairs or replaces the section from the main through the meter to the meter stop. The property owner is responsible for the portion from the meter stop to the right-of-way and on the private property. [5]
Other common plumbing calls in Portland
- Sewer Line Repair: older homes often have clay laterals that roots from Portland's big street trees get into.
- Sump Pump Repair and Installation: months of rain keep groundwater high around basements and crawl spaces.
Sources (5)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- Portland Water Bureau, 2025 Drinking Water Quality Report · checked 2026-10-01
- Oregon Building Codes Division, Plumbing Code Program · checked 2026-10-01
- City of Portland, Residential Plumbing Permits · checked 2026-10-19
- Portland City Code 21.30.130, Service Maintenance Responsibility · checked 2026-10-19