Plumbing Installation & Replacement Hardin, MT
When a pipe bursts or a water heater quits in Hardin, our licensed plumbers repair, install, and replace plumbing systems across Big Horn County — flat-rate, quoted in writing, and backed by a 10-year workmanship guarantee. Set in Montana's semi-arid interior, local pipes contend with extreme summer heat that pushes water heaters and expansion tanks hard and hard, mineral-rich water that scales pipes, valves, and heaters, so we spec pipe and fittings to match. Family-owned and CSLB-licensed (#1098234) since 1974, with trucks stocked to finish most jobs in a single visit.

Plumbing services in Hardin, MT, done right.
Plumbing Repair in Hardin, MT
Everything under plumbing repair in Hardin, 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, clogs, fixtures, water heaters — one truck, one visit.
Plumbing Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreDrain Cleaning
Slow or clogged drain? Fast, no-dig clearing.
Drain Cleaning for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn morePipe Replacement
Corroded, leaking, or undersized runs — replaced clean.
Pipe Replacement for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreEmergency Plumbing
Burst pipe or sewer backup? Rapid response in under 90 minutes.
Emergency Plumbing for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn morePipe Repair
Pinhole, split, or leaking joint? Fixed without a full repipe.
Pipe Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreLeak Detection
Hidden leak driving up your bill? We find it without demolition.
Leak Detection for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreSewer Line Repair
Cracked, root-choked, or collapsed main line? Repaired — often no-dig.
Sewer Line Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreFixture Installation
New faucet, sink, toilet, or shower fixture set right and sealed.
Fixture Installation for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreGarbage Disposal
Humming, jammed, or leaking disposal? Repaired or replaced today.
Garbage Disposal for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreBurst Pipe Repair
Pipe burst and flooding? Water stopped and repaired fast.
Burst Pipe Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreSewer Backup & Drain
Sewage backing up into the house? Emergency clearing now.
Sewer Backup & Drain for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn morePlumbing Installation in Hardin, MT
Everything under plumbing installation in Hardin, 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.
Plumbing Installation for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreRepiping
Whole-home repipe in PEX or copper — from quote to finished.
Repiping for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreCommercial Plumbing
Restaurants, retail, offices & multi-unit — code-compliant, low-downtime.
Commercial Plumbing for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreResidential Plumbing
Your whole-home plumbing team — leaks, clogs, fixtures & more.
Residential Plumbing for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreBathroom Plumbing
Remodel rough-in — move fixtures, set valves, run supply & drain.
Bathroom Plumbing for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreWater Filtration
Cleaner, better-tasting water — whole-house filters, softeners & RO.
Water Filtration for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreWater Heater Services in Hardin, MT
Everything under water heater services in Hardin, 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.
Water Heater Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreWater Heater Installation
Rheem, Bradford White, A.O. Smith — tank & tankless.
Water Heater Installation for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreSmart Plumbing Controls
Automatic shutoff valves and app control that stop a leak fast.
Smart Plumbing Controls for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreLeak Sensor Installation
Point sensors under sinks, heaters & washers that catch a leak early.
Leak Sensor Installation for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreWater Heater Replacement
Old or failed heater swapped for a new one — sized right, hauled away.
Water Heater Replacement for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreFaucet Repair
Dripping, stiff, or leaking faucet? Fixed at the cartridge.
Faucet Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreSmart Water Systems
Whole-home water intelligence — monitor, soften, filter & protect.
Smart Water Systems for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreTankless Water Heater
Endless hot water, half the space — Navien, Rinnai & Rheem.
Tankless Water Heater for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn morePlumbing Maintenance in Hardin, MT
Everything under plumbing maintenance in Hardin, 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 for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn morePlumbing Inspection
23-point whole-home plumbing safety inspection.
Plumbing Inspection for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreSeal & Gasket Repair
Leaks at the toilet base, tank, or under-sink seals — resealed.
Seal & Gasket Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreWater Pressure Repair
Weak showers or banging pipes? Pressure diagnosed and fixed.
Water Pressure Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn morePressure Regulator Service
PRV worn out or missing? Set your pressure to a safe range.
Pressure Regulator Service for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreToilet Repair
Running, clogged, or leaking toilet? Fixed at the source.
Toilet Repair for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreBackflow Prevention
Certified backflow testing and assembly install to protect your water.
Backflow Prevention for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreSump Pump Service
Keep the basement dry — pump install, repair & battery backup.
Sump Pump Service for Hardin, MT homes across Big Horn County — flat-rate, quoted in writing.
Learn moreHardin plumbing — repaired, replaced, done right.
Every Hardin install and repair runs on the same flat-rate promise: a free on-site quote up front, quoted in writing, with no surprise add-ons after — anywhere in Big Horn County. Most water heater and repipe jobs finish the same day, and we haul the old equipment away, leaving no mess behind.
- Free quote within 24 hours
- Workmanship guaranteed for 10 years
- Lifetime warranties on water heaters & fixtures
- Financing as low as $39/mo

Plumbing repair, installation & water heater service in Hardin, MT
Our Hardin crew covers the whole city and the surrounding Big Horn County. Big Horn County is part of Montana. Homes here sit in Montana's semi-arid interior, and we tailor every job to it. With 84% of local homes built before 1980, we see a lot of original galvanized pipe and aging water heaters past their service life — we size every fix 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.
Hardin sits in Montana's semi-arid interior, which brings a semi-arid climate of hot, dry summers, cold winters, low rainfall, and wide day-to-night temperature swings. For a home's plumbing that means contending with extreme summer heat that pushes water heaters and expansion tanks hard, hard, mineral-rich water that scales pipes, valves, and heaters, and wide day-to-night swings that fatigue pipe joints and fittings — so we spec corrosion- and freeze-rated pipe, fittings, and water heaters to match the local climate.
The plumbing failures we see most in Hardin homes are frozen and split supply lines after winter cold snaps, cracked slab and buried pipe from shifting soils, and running toilets and worn fill valves. It's not random — 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, and 84% of local homes predate 1980 (median build year 1969), so many still run original galvanized steel or polybutylene pipe and 15-year-old water heaters well past their life. That's the exact wear and corrosion our Hardin trucks carry parts for, fixed in a single visit.
Big Horn County is part of Montana. We cover Hardin and the rest of Big Horn County to one standard — short dispatch times, written flat-rate pricing, and a 10-year workmanship guarantee across the county.
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 Hardin plumbing.
Census data puts 84% of Hardin homes at pre-1980 construction (median build year 1969). 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 42% built before 1960, many Hardin homes also carry cast-iron drain stacks and lead or galvanized supply lines, which we keep repair parts on the truck for. 54% of Hardin homes are detached single-family houses (median value ~$150k) — the housing type most likely to have its own water heater, service lateral, and outdoor spigots to maintain.
In Montana's semi-arid interior, a few habits keep a Hardin home's plumbing out of the repair queue: 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); and if your home is among the 84% built before 1980 (median build year 1969), book a whole-home plumbing inspection — original galvanized pipe and old water heaters are usually near the end of their life.
Beyond Hardin proper, the same crews and flat-rate pricing reach nearby Crow Agency, Lockwood, Billings, and Colstrip, across Big Horn County. ZIP coverage runs across 59034.
Searching for plumbing installation near you in Hardin?
Searching "plumbing installation near me" from Hardin? You've found a genuinely local option, working Hardin and nearby Crow Agency, Lockwood, and Billings every day — the tech who shows up actually knows your area, not a national call center routing the job out of Big Horn County.
How much does plumbing service cost in Hardin?
Pricing in Hardin is flat-rate and quoted in writing before any work: a service call starts at $49, drain cleaning from $99, water heater service from $189, and a whole-home repipe from $1,499. With 84% of local homes built before 1980, repipes and water heater replacements on aging galvanized plumbing 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.
Common questions in Hardin
Do you cover the whole Big Horn County area, not just Hardin?
Which Hardin neighborhoods and ZIP codes do you serve?
How does the climate in Hardin, MT affect my plumbing?
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.