Plumbing company Cottage Grove, WI
If plumbing fails in Cottage Grove — a split supply line, a failing heater — our licensed plumbers respond across Dane County with written flat-rate pricing and a 10-year workmanship guarantee. Homes here sit in Wisconsin's cold northern climate, where deep sub-freezing cold that freezes and bursts supply lines and a long frost season that keeps buried pipe cold enough to crack do the real damage — so we spec pipe and fittings for it. We've been family-owned since 1974, CSLB-licensed (#1098234), and our trucks carry enough stock to finish most jobs in one visit.

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

Water heaters, repairs & installations in Cottage Grove, WI
No part of Cottage Grove is off the route; the surrounding Dane County is covered too, working North Star. Cottage Grove lies within Dane County, in Wisconsin. That puts local homes in Wisconsin's cold northern climate — context we build every fix around. Whatever the job, it runs from a stocked truck at a written flat rate, with a 10-year workmanship guarantee behind it.
The setting for Cottage Grove is Wisconsin's cold northern climate — a cold northern climate of long, snowy winters, deep sub-freezing cold, and short, warm summers. That load lands on plumbing as 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 — we answer it with corrosion- and freeze-rated pipe, fittings, and water heaters.
Our Cottage Grove call log is dominated by corroded service laterals from road salt and slush, slow drains clogged by cold-congealed grease, and sewer lines sheared by frost heave. 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 67% are detached houses with their own service lateral, water heater, and outdoor spigots to maintain. That's the exact wear and corrosion our Cottage Grove trucks carry parts for, fixed in a single visit.
Cottage Grove lies within Dane County, in Wisconsin. We cover Cottage Grove and the rest of Dane 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 for Wisconsin read 52 inches of snow and 152 days below freezing per year; that's the load we engineer Cottage Grove plumbing against.
Cottage Grove's Census housing profile: 9% of homes pre-1980 (median build year 2001). Systems that age are usually past their service life — galvanized or polybutylene supply pipe, corroded fittings, tired water heaters — so we plan for age-related wear, not just the reported fault. Detached single-family houses make up 67% of the Cottage Grove stock (median value ~$361k) — the housing type with its own water heater, service lateral, and outdoor spigots to maintain.
Living in Wisconsin's cold northern climate rewards a few habits for Cottage Grove homeowners: 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.
Cottage Grove anchors the route, and McFarland, Sun Prairie, Monona, and Deerfield ride the same dispatch — one crew roster, one flat-rate price list, across Dane County. Inside the city, count North Star in — plus the blocks between. ZIP coverage runs across 53527.
Your search for plumbing company near Cottage Grove ends here
Near Cottage Grove and searching "plumbing company near me"? You've reached an actually-local crew, working North Star every day — the tech knows your area, and no national call center routes jobs out of Dane County.
Cottage Grove plumbing service: what it costs
Every Cottage Grove quote is flat-rate and in writing before work starts: 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 $361k, 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.
Cottage Grove is part of our greater Madison, WI metro service area.
Common questions in Cottage Grove
Which Cottage Grove neighborhoods and ZIP codes do you serve?
How does the climate in Cottage Grove, WI affect my plumbing?
Do you cover the whole Dane County area, not just Cottage Grove?
More answers on our FAQ page.
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As a local plumbing company the United States, a plumbing emergency repair the United States technician can be on-site in under 90 minutes.