Plumbing company Serving Boulder, MT
Boulder homeowners call us when a drain backs up or a water heater gives out: licensed plumbers handling plumbing repair, installs, and replacement across Jefferson County, flat-rate and quoted in writing, with a 10-year workmanship guarantee on every job. Because Montana's cold northern climate brings deep sub-freezing cold that freezes and bursts supply lines and a long frost season that keeps buried pipe cold enough to crack, we spec pipe and fittings rated for exactly that. Family-owned and CSLB-licensed (#1098234) since 1974, with trucks stocked to finish most jobs in a single visit.

Plumbing services for Boulder, MT — done right.
Boulder, MT: Plumbing Repair
Everything under plumbing repair in Boulder, MT is handled by the same licensed local crew — start with the complete Plumbing Repair guide for symptoms and costs, or jump straight to the specific job below. Every visit is quoted flat-rate before work starts.
Plumbing Repair
Leaks, running toilets, worn valves & fixtures — one truck, one visit.
Plumbing Repair across Boulder, MT and Jefferson County — priced flat, in writing.
Learn moreDrain Cleaning
Slow or clogged drain? Fast, no-dig clearing.
Drain Cleaning across Boulder, MT and Jefferson County — priced flat, in writing.
Learn morePipe Replacement
Corroded, leaking, or undersized runs — replaced clean.
Flat-rate pipe replacement for Boulder, MT and the wider Jefferson County, quoted in writing first.
Learn moreEmergency Plumbing
Flooding, no water, or an overflow? Rapid response in under 90 minutes.
Boulder, MT emergency plumbing, Jefferson County-wide: written flat-rate quotes.
Learn morePipe Repair
Pinhole, split, or leaking joint? Fixed without a full repipe.
Boulder, MT pipe repair, Jefferson County-wide: written flat-rate quotes.
Learn moreLeak Detection
Hidden leak driving up your bill? We find it without demolition.
Flat-rate leak detection for Boulder, MT and the wider Jefferson County, quoted in writing first.
Learn moreSewer Line Repair
Cracked, root-choked, or collapsed main line? Repaired — often no-dig.
Sewer Line Repair across Boulder, MT and Jefferson County — priced flat, in writing.
Learn moreFixture Installation
New faucet, sink, toilet, or shower fixture set right and sealed.
Boulder, MT fixture installation, Jefferson County-wide: written flat-rate quotes.
Learn moreGarbage Disposal
Humming, jammed, or leaking disposal? Repaired or replaced today.
Serving Boulder, MT and Jefferson County with garbage disposal at a written flat rate.
Learn moreBurst Pipe Repair
Pipe burst and flooding? Water stopped and repaired fast.
Boulder, MT burst pipe repair, Jefferson County-wide: written flat-rate quotes.
Learn moreSewer Backup & Drain
Sewage backing up into the house? Emergency clearing now.
Flat-rate sewer backup & drain for Boulder, MT and the wider Jefferson County, quoted in writing first.
Learn morePlumbing Installation across Boulder, MT
Everything under plumbing installation in Boulder, MT is handled by the same licensed local crew — start with the complete Plumbing Installation guide for symptoms and costs, or jump straight to the specific job below. Every visit is quoted flat-rate before work starts.
Plumbing Installation
Full-service install for fixtures, lines & appliances.
Local plumbing installation in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreRepiping
Whole-home repipe in PEX or copper — from quote to finished.
Local repiping in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreCommercial Plumbing
Restaurants, retail, offices & multi-unit — code-compliant, low-downtime.
Local commercial plumbing in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreResidential Plumbing
Your whole-home plumbing team — leaks, clogs, fixtures & more.
Serving Boulder, MT and Jefferson County with residential plumbing at a written flat rate.
Learn moreBathroom Plumbing
Remodel rough-in — move fixtures, set valves, run supply & drain.
Serving Boulder, MT and Jefferson County with bathroom plumbing at a written flat rate.
Learn moreWater Filtration
Cleaner, better-tasting water — whole-house filters, softeners & RO.
Water Filtration across Boulder, MT and Jefferson County — priced flat, in writing.
Learn moreWater Heater Services throughout Boulder, MT
Everything under water heater services in Boulder, MT is handled by the same licensed local crew — start with the complete Water Heater Repair guide for symptoms and costs, or jump straight to the specific job below. Every visit is quoted flat-rate before work starts.
Water Heater Repair
No hot water? Pilot, element, thermostat — fixed today.
Boulder, MT water heater repair, Jefferson County-wide: written flat-rate quotes.
Learn moreWater Heater Installation
New installs, upgrades & tankless conversions — sized & vented to code.
Local water heater installation in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreSmart Plumbing Controls
Automatic shutoff valves and app control that stop a leak fast.
Smart Plumbing Controls across Boulder, MT and Jefferson County — priced flat, in writing.
Learn moreLeak Sensor Installation
Point sensors under sinks, heaters & washers that catch a leak early.
Leak Sensor Installation for Boulder, MT homes across Jefferson County — flat-rate, quoted in writing.
Learn moreWater Heater Replacement
Old or failed heater swapped for a new one — sized right, hauled away.
Local water heater replacement in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreFaucet Repair
Dripping, stiff, or leaking faucet? Fixed at the cartridge.
Boulder, MT faucet repair, Jefferson County-wide: written flat-rate quotes.
Learn moreSmart Water Systems
Whole-home water intelligence — monitor, soften, filter & protect.
Flat-rate smart water systems for Boulder, MT and the wider Jefferson County, quoted in writing first.
Learn moreTankless Water Heater
Endless hot water, half the space — Navien, Rinnai & Rheem.
Tankless Water Heater for Boulder, MT homes across Jefferson County — flat-rate, quoted in writing.
Learn moreBoiler Repair
Cold radiators, kettling, or lockout codes — hydronic heat restored.
Local boiler repair in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreBoulder, MT: Plumbing Maintenance
Everything under plumbing maintenance in Boulder, MT is handled by the same licensed local crew — start with the complete Plumbing Maintenance guide for symptoms and costs, or jump straight to the specific job below. Every visit is quoted flat-rate before work starts.
Plumbing Maintenance
Preventive maintenance plans that pay for themselves.
Plumbing Maintenance across Boulder, MT and Jefferson County — priced flat, in writing.
Learn morePlumbing Inspection
23-point whole-home plumbing safety inspection.
Flat-rate plumbing inspection for Boulder, MT and the wider Jefferson County, quoted in writing first.
Learn moreSeal & Gasket Repair
Leaks at the toilet base, tank, or under-sink seals — resealed.
Seal & Gasket Repair across Boulder, MT and Jefferson County — priced flat, in writing.
Learn moreWater Pressure Repair
Weak showers or banging pipes? Pressure diagnosed and fixed.
Boulder, MT water pressure repair, Jefferson County-wide: written flat-rate quotes.
Learn morePressure Regulator Service
PRV worn out or missing? Set your pressure to a safe range.
Boulder, MT pressure regulator service, Jefferson County-wide: written flat-rate quotes.
Learn moreToilet Repair
Running, clogged, or leaking toilet? Fixed at the source.
Local toilet repair in Boulder, MT (all of Jefferson County), flat-rate and in writing.
Learn moreBackflow Prevention
Certified backflow testing and assembly install to protect your water.
Backflow Prevention for Boulder, MT homes across Jefferson County — flat-rate, quoted in writing.
Learn moreSump Pump Service
Keep the basement dry — pump install, repair & battery backup.
Serving Boulder, MT and Jefferson County with sump pump service at a written flat rate.
Learn moreBoulder plumbing — repaired, replaced, done right.
Boulder installs and repairs run on one rule — a free on-site quote and a written flat rate, with no add-ons after, anywhere in Jefferson County. Same-day finishes are the norm for water heaters and repipes, the old equipment leaves with us, and so does the mess.
- Free quote within 24 hours
- Workmanship guaranteed for 10 years
- Lifetime warranties on water heaters & fixtures
- Financing as low as $39/mo

Plumbing repair & water heater service for Boulder, MT homes
Boulder is home turf for our crew — the whole city and the surrounding Jefferson County. Jefferson County, Montana, takes in Boulder and the communities around it. That puts local homes in Montana's cold northern climate — context we build every fix around. 69% of the housing stock predates 1980, which means original galvanized pipe and water heaters past their service life are routine finds — every fix is sized to the system in front of us. Every job runs from a fully-stocked truck at a flat, written rate, backed by a 10-year workmanship guarantee.
Climate-wise, Boulder belongs to Montana's cold northern climate, with a cold northern climate of long, snowy winters, deep sub-freezing cold, and short, warm summers. For a home's plumbing that means contending with deep sub-freezing cold that freezes and bursts supply lines, a long frost season that keeps buried pipe cold enough to crack, and frozen exterior spigots and hose bibs through much of winter — so we spec corrosion- and freeze-rated pipe, fittings, and equipment to match the local climate.
The pattern across Boulder homes is consistent — corroded service laterals from road salt and slush, sump pumps overrun by seasonal snowmelt, and split pipe and cracked fittings from freeze-thaw. The causes are local: 185 days below freezing a year freeze and split supply lines and outdoor spigots, 41 inches of snow and a long frost season keep buried lines cold enough to crack at the joints, 69% of local homes predate 1980 (median build year 1972), so many still run original galvanized steel or polybutylene pipe and fixtures well past their service life, and 72% are detached houses with their own service lateral, water heater, and outdoor spigots to maintain. That's the wear our Boulder trucks are stocked against, one-visit fixes included.
Jefferson County, Montana, takes in Boulder and the communities around it. Our coverage spans Boulder and the rest of Jefferson County, all to one standard: quick dispatch, written flat-rate pricing, and a 10-year workmanship guarantee.
NOAA's 1991–2020 normals put Montana at 41 inches of snow, 185 days below freezing, 24 days above 90°F, barely 13 inches of rain, and a 26°F day-to-night swing a year — real weather load we plan for when we size, insulate, and protect Boulder plumbing.
The Census counts 69% of Boulder homes as pre-1980 builds (median build year 1972). Plumbing that old is usually well past its service life — original galvanized or polybutylene supply pipe, corroded fittings, and long-in-the-tooth water heaters — so we plan for age-related wear, not just the fault you called about. With 39% built before 1960, many Boulder homes also carry cast-iron drain stacks and lead or galvanized supply lines, which we keep repair parts on the truck for. 72% of Boulder homes are detached single-family houses (median value ~$193k) — the housing type most likely to have its own water heater, service lateral, and outdoor spigots to maintain.
For Boulder homes in Montana's cold northern climate, prevention comes down to a short list: insulate exposed supply lines and disconnect garden hoses before winter — 185 freezing days a year can freeze and split unprotected pipe; keep outdoor spigots and any exposed pipe runs clear of snow and ice so they can't freeze solid (41 inches fall here in a normal year); if your home is among the 69% built before 1980 (median build year 1972), book a whole-home plumbing inspection — original galvanized pipe and old water heaters are usually near the end of their life; and run an annual water heater flush and shut-off-valve check on a detached home with its own service lateral.
Service doesn't stop at the Boulder line — nearby Clancy, Montana City, Helena West Side, and Whitehall get the same crews and flat-rate pricing, across Jefferson County. On the ZIP grid: 59632.
"plumbing company near me" — the Boulder answer
A Boulder search for "plumbing company near me" ends here — genuinely local, working Boulder and nearby Clancy, Montana City, and Helena West Side every day, technicians who know the area first-hand, zero national-call-center routing out of Jefferson County.
How much does plumbing service cost in Boulder?
Boulder pricing is simple — flat-rate, written, quoted up front: a service call starts at $49, clearing a blocked drain from $99, hot-water service from $189, and renewing a home's piping from $1,499. With 69% of local homes built before 1980, renewing aging galvanized pipe and end-of-life equipment are the tickets we see most here. Seniors (65+) and military get 10% off labor, and financing covers jobs over $1,500 at 0% APR for 12 months.
What Boulder asks us most
How does the climate in Boulder, MT affect my plumbing?
What's the most common plumbing problem in Boulder?
Do you cover the whole Jefferson County area, not just Boulder?
More answers on our FAQ page.
Need help right now?
As a local plumbing company the United States, a plumbing emergency repair the United States technician can be on-site in under 90 minutes.