Billings, MT · plumbing service
Repiping in Billings, MT
About half of homes predate 1980, many with galvanized supply lines. Call to be connected with an independent, licensed plumber who handles repiping in Billings; they diagnose the problem and quote the work before starting.
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- Free call and referral
- You approve the quote first
Common signs
- Rusty water
- falling pressure
- repeated pinhole leaks
Repiping services in Billings
- 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 Billings
About half of homes predate 1980, many with galvanized supply lines.
With 52% of Billings'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
- 1979
- Homes before 1980
- 52%
- Winter freezes
- Long, 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 Billings homeowners with
Repiping in Billings: questions
Billings sent me a galvanized service line letter. Do I need to replace my pipe?
The city strongly encourages it. Billings has already removed all city-owned lead service portions and asks owners of lead or galvanized-downstream-of-lead lines to replace their private portion, which a plumber can do alongside interior repiping.
Is there financial help in Billings for replacing an old lead or galvanized water line?
Billings' Community Development Division has been developing zero-interest, deferred-payment loans for low-income owners replacing lead or galvanized service lines, repaid when the property sells. Ask the city about current availability before scheduling work.
Why is repiping a common call in Billings?
About half of homes predate 1980, many with galvanized supply lines.
How old are most homes in Billings?
The median home in Billings was built in 1979, and 52% of homes were built before 1980 (U.S. Census Bureau, American Community Survey).
Does repiping in Billings need a permit?
Usually, when piping changes; the plumber normally pulls it.
Should old pipes in a Billings 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 Billings: about half of homes predate 1980, many with galvanized supply lines.
Who supplies water in Billings?
City of Billings. Past the meter, plumbing is the owner's.
More plumbing services in Billings
- Sewer Line Repair in Billings, MTSewer Line Repair in Billings, MT: older laterals crack and let roots in.
- Frozen Pipe Repair in Billings, MTFrozen Pipe Repair in Billings, MT: cold snaps and chinook temperature swings freeze and stress exposed pipes.
- Emergency Plumbing in Billings, MTPlumbing emergency in Billings, MT? Who to call (City of Billings or a plumber), what to shut off first, and the emergencies most likely in Billings homes.
- All plumbing services in BillingsEvery plumbing service available to Billings homes.
Local rules and details for Billings
Billings facts behind this page
For repiping that changes or replaces piping, Billings'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 Billings was built in 1979. [1]
- About 52% of Billings's housing units were built before 1980, the era of galvanized steel supply pipe, cast iron drains and clay sewer laterals. [1]
- Billings is the largest community on the Yellowstone River and draws its drinking water from the river; the city's water plant was affected during the 2022 Yellowstone River flooding. [2]
- Montana adopts the 2021 Uniform Plumbing Code (ARM 24.301.301), and plumbers are licensed by the Montana Board of Plumbers. [3]
- The Billings City Administrator's October 31, 2025 weekly report says Public Works has removed all city-owned portions of lead service lines and strongly encourages homeowners to replace the remaining lead, or galvanized downstream of lead, portion. The city counted 94 partial lead lines, 149 galvanized lines downstream of lead and 13 unknown lines, and owners received notice letters. [4]
- Per the October 31, 2025 Billings City Administrator weekly report, the Community Development Division is developing a loan program to help low-income property owners replace lead or galvanized water service lines on their property. The loans are zero interest and deferred payment, due in full when the property is sold, and letters to affected owners include a postcard describing the program. [4]
Billings rules and programs for repiping
- The Billings City Administrator's October 31, 2025 weekly report says Public Works has removed all city-owned portions of lead service lines and strongly encourages homeowners to replace the remaining lead, or galvanized downstream of lead, portion. The city counted 94 partial lead lines, 149 galvanized lines downstream of lead and 13 unknown lines, and owners received notice letters. [4]
- Per the October 31, 2025 Billings City Administrator weekly report, the Community Development Division is developing a loan program to help low-income property owners replace lead or galvanized water service lines on their property. The loans are zero interest and deferred payment, due in full when the property is sold, and letters to affected owners include a postcard describing the program. [4]
Other common plumbing calls in Billings
- Frozen Pipe Repair: cold snaps and chinook temperature swings freeze and stress exposed pipes.
- Sewer Line Repair: older laterals crack and let roots in.
Sources (4)
- U.S. Census Bureau, ACS 2024 1-year (B25035) · checked 2026-10-01
- City of Billings, Yellowstone River flooding impact on City of Billings water plant · checked 2026-10-01
- IAPMO, Montana 2021 UPC amendments · checked 2026-10-01
- City of Billings, City Administrator Weekly Report, October 31, 2025 · checked 2026-10-20