St. Peter, WI Plumbing company
From burst pipes to worn-out water heaters, our licensed crews repair, install, and replace plumbing systems across Fond du Lac County — every St. Peter job flat-rate, quoted in writing, and covered by a 10-year workmanship guarantee. Because Wisconsin'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. We've been family-owned since 1974, CSLB-licensed (#1098234), and our trucks carry enough stock to finish most jobs in one visit.

St. Peter, WI: full-catalog plumbing services, done right.
Plumbing Repair across St. Peter, WI
Everything under plumbing repair in St. Peter, WI 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.
Flat-rate plumbing repair for St. Peter, WI and the wider Fond du Lac County, quoted in writing first.
Learn moreDrain Cleaning
Slow or clogged drain? Fast, no-dig clearing.
Local drain cleaning in St. Peter, WI (all of Fond du Lac County), flat-rate and in writing.
Learn morePipe Replacement
Corroded, leaking, or undersized runs — replaced clean.
Pipe Replacement across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreEmergency Plumbing
Flooding, no water, or an overflow? Rapid response in under 90 minutes.
Serving St. Peter, WI and Fond du Lac County with emergency plumbing at a written flat rate.
Learn morePipe Repair
Pinhole, split, or leaking joint? Fixed without a full repipe.
Flat-rate pipe repair for St. Peter, WI and the wider Fond du Lac County, quoted in writing first.
Learn moreLeak Detection
Hidden leak driving up your bill? We find it without demolition.
Leak Detection across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreSewer Line Repair
Cracked, root-choked, or collapsed main line? Repaired — often no-dig.
Flat-rate sewer line repair for St. Peter, WI and the wider Fond du Lac County, quoted in writing first.
Learn moreFixture Installation
New faucet, sink, toilet, or shower fixture set right and sealed.
Flat-rate fixture installation for St. Peter, WI and the wider Fond du Lac County, quoted in writing first.
Learn moreGarbage Disposal
Humming, jammed, or leaking disposal? Repaired or replaced today.
Garbage Disposal for St. Peter, WI homes across Fond du Lac County — flat-rate, quoted in writing.
Learn moreBurst Pipe Repair
Pipe burst and flooding? Water stopped and repaired fast.
Local burst pipe repair in St. Peter, WI (all of Fond du Lac County), flat-rate and in writing.
Learn moreSewer Backup & Drain
Sewage backing up into the house? Emergency clearing now.
Sewer Backup & Drain across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn morePlumbing Installation — St. Peter, WI
Everything under plumbing installation in St. Peter, WI 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 across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreRepiping
Whole-home repipe in PEX or copper — from quote to finished.
Repiping across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreCommercial Plumbing
Restaurants, retail, offices & multi-unit — code-compliant, low-downtime.
Commercial Plumbing across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreResidential Plumbing
Your whole-home plumbing team — leaks, clogs, fixtures & more.
Residential Plumbing across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreBathroom Plumbing
Remodel rough-in — move fixtures, set valves, run supply & drain.
Bathroom Plumbing for St. Peter, WI homes across Fond du Lac County — flat-rate, quoted in writing.
Learn moreWater Filtration
Cleaner, better-tasting water — whole-house filters, softeners & RO.
Serving St. Peter, WI and Fond du Lac County with water filtration at a written flat rate.
Learn moreWater Heater Services in St. Peter, WI
Everything under water heater services in St. Peter, WI 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.
Serving St. Peter, WI and Fond du Lac County with water heater repair at a written flat rate.
Learn moreWater Heater Installation
New installs, upgrades & tankless conversions — sized & vented to code.
Water Heater Installation across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn moreSmart Plumbing Controls
Automatic shutoff valves and app control that stop a leak fast.
Local smart plumbing controls in St. Peter, WI (all of Fond du Lac County), flat-rate and in writing.
Learn moreLeak Sensor Installation
Point sensors under sinks, heaters & washers that catch a leak early.
Serving St. Peter, WI and Fond du Lac County with leak sensor installation at a written flat rate.
Learn moreWater Heater Replacement
Old or failed heater swapped for a new one — sized right, hauled away.
Water Heater Replacement for St. Peter, WI homes across Fond du Lac County — flat-rate, quoted in writing.
Learn moreFaucet Repair
Dripping, stiff, or leaking faucet? Fixed at the cartridge.
Serving St. Peter, WI and Fond du Lac County with faucet repair at a written flat rate.
Learn moreSmart Water Systems
Whole-home water intelligence — monitor, soften, filter & protect.
St. Peter, WI smart water systems, Fond du Lac County-wide: written flat-rate quotes.
Learn moreTankless Water Heater
Endless hot water, half the space — Navien, Rinnai & Rheem.
Flat-rate tankless water heater for St. Peter, WI and the wider Fond du Lac County, quoted in writing first.
Learn moreBoiler Repair
Cold radiators, kettling, or lockout codes — hydronic heat restored.
Boiler Repair across St. Peter, WI and Fond du Lac County — priced flat, in writing.
Learn morePlumbing Maintenance across St. Peter, WI
Everything under plumbing maintenance in St. Peter, WI 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.
Serving St. Peter, WI and Fond du Lac County with plumbing maintenance at a written flat rate.
Learn morePlumbing Inspection
23-point whole-home plumbing safety inspection.
Plumbing Inspection for St. Peter, WI homes across Fond du Lac County — flat-rate, quoted in writing.
Learn moreSeal & Gasket Repair
Leaks at the toilet base, tank, or under-sink seals — resealed.
Serving St. Peter, WI and Fond du Lac County with seal & gasket repair at a written flat rate.
Learn moreWater Pressure Repair
Weak showers or banging pipes? Pressure diagnosed and fixed.
Local water pressure repair in St. Peter, WI (all of Fond du Lac County), flat-rate and in writing.
Learn morePressure Regulator Service
PRV worn out or missing? Set your pressure to a safe range.
Flat-rate pressure regulator service for St. Peter, WI and the wider Fond du Lac County, quoted in writing first.
Learn moreToilet Repair
Running, clogged, or leaking toilet? Fixed at the source.
St. Peter, WI toilet repair, Fond du Lac County-wide: written flat-rate quotes.
Learn moreBackflow Prevention
Certified backflow testing and assembly install to protect your water.
Local backflow prevention in St. Peter, WI (all of Fond du Lac County), flat-rate and in writing.
Learn moreSump Pump Service
Keep the basement dry — pump install, repair & battery backup.
St. Peter, WI sump pump service, Fond du Lac County-wide: written flat-rate quotes.
Learn moreDone-right plumbing for St. Peter homes.
The promise to St. Peter homeowners is simple: free on-site quote, flat rate in writing, zero add-ons after — across all of Fond du Lac County. Most water heater and repipe work finishes the same day, with the old equipment hauled off and 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

Local plumbing repair, installation & water heater service in St. Peter, WI
From one end of St. Peter to the other, and out across Fond du Lac County, our crew covers it. St. Peter is one of the communities of Fond du Lac County, Wisconsin. That puts local homes in Wisconsin's cold northern climate — context we build every fix around. A fully-stocked truck, a flat written rate, and a 10-year workmanship guarantee come standard on every visit.
St. Peter lies in Wisconsin's cold northern climate, and that means a cold northern climate of long, snowy winters, deep sub-freezing cold, and short, warm summers. On a home's plumbing that translates to 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 — which is why we spec corrosion- and freeze-rated pipe, fittings, and equipment for the local climate.
Around St. Peter, the breakdowns we're dispatched to most are frozen and burst supply lines on sub-zero nights, frozen exterior spigots through much of winter, and split pipe and cracked fittings from freeze-thaw. It's not random — 152 days below freezing a year freeze and split supply lines and outdoor spigots, 52 inches of snow and a long frost season keep buried lines cold enough to crack at the joints, and 100% are detached houses with their own service lateral, water heater, and outdoor spigots to maintain. That's the exact wear and corrosion our St. Peter trucks carry parts for, fixed in a single visit.
St. Peter is one of the communities of Fond du Lac County, Wisconsin. We treat St. Peter and the rest of Fond du Lac County as one service area — same quick dispatch, same written flat-rate pricing, same 10-year workmanship guarantee.
52 inches of snow and 152 days below freezing a year: that's Wisconsin in NOAA's 1991–2020 normals, and the baseline we protect St. Peter plumbing against.
Per the Census, pre-1980 construction makes up 39% of St. Peter's homes (median build year 1990). At that age, original galvanized or polybutylene pipe, corroded fittings, and worn-out water heaters are the rule rather than the exception, so we treat age-related wear as part of the job, not a surprise. Detached single-family houses make up 100% of the St. Peter stock (median value ~$312k) — the housing type with its own water heater, service lateral, and outdoor spigots to maintain.
In Wisconsin's cold northern climate, a few habits keep a St. Peter home's plumbing out of the repair queue: insulate exposed supply lines and disconnect garden hoses before winter — 152 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 (52 inches fall here in a normal year); and run an annual water heater flush and shut-off-valve check on a detached home with its own service lateral.
The same crews and flat-rate pricing extend past St. Peter to nearby Fond du Lac, North Fond du Lac, Oakfield, and New Holstein, across Fond du Lac County. ZIP coverage runs across 54937, 53049.
Your search for plumbing company near St. Peter ends here
Near St. Peter and searching "plumbing company near me"? You've reached an actually-local crew, working St. Peter and nearby Fond du Lac, North Fond du Lac, and Oakfield every day — the tech knows your area, and no national call center routes jobs out of Fond du Lac County.
What does plumbing service cost in St. Peter?
Before any work in St. Peter, you get a written flat rate: 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. Local homes run a median value near $312k, but a plumbing quote tracks the fixture and the pipe — never the neighborhood. Seniors (65+) and military get 10% off labor, and financing covers jobs over $1,500 at 0% APR for 12 months.
St. Peter is part of our greater Appleton, WI metro service area.
Your St. Peter questions, answered
How old is the plumbing in most St. Peter homes?
Do you cover the whole Fond du Lac County area, not just St. Peter?
What's the most common plumbing problem in St. Peter?
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.