Same-day & emergency service available · Serving Minneapolis–St. Paul

Loon Plumbing

Plumber in Mahtomedi, MN

Same-day service · Free estimates · Upfront flat-rate pricing

White Bear Lake's east shore: lake homes from cottage to custom, very hard water with a manganese footnote, and hillside lots that test a sump pump. Same-day service with a flat price you approve first.

  • 5.0 on Google
  • MN License PM652496
  • Family-owned

Local knowledge

We're local to Mahtomedi — actually local

We're a family plumbing company, and Mahtomedi is a city we work regularly — the lakefront homes along the east shore of White Bear Lake, the older cottage-era streets near downtown and Wildwood, the mid-century neighborhoods up the hill, and the newer construction toward Grant.

Lake towns keep plumbing in layers — cottages winterized, added onto, and rebuilt — and Mahtomedi's water has a footnote most residents haven't read. We know both.

A historic photo of bathing pavilions and swimmers on White Bear Lake at Mahtomedi
Photo: Miscellaneous Items in High Demand, PPOC, Library of Congres / Public domain

Know your city

What Mahtomedi throws at its plumbing

Very hard water, and a manganese reading worth knowing

Mahtomedi's three deep wells deliver water at about 12.7 grains per gallon — very hard — with no central softening, so softeners are standard equipment here. The footnote: the city's monitoring has recorded manganese well above the state's health guidance at its highest, particularly relevant for households with infants. It isn't federally regulated, and levels vary, but it's the kind of thing worth testing at your own tap. Trace PFAS is far below limits. The city's inventory also flagged some service lines of unknown material in the older streets.

Cottages, custom rebuilds, and everything between

Mahtomedi's lakefront runs from 1920s cottages that were winterized decades ago to full custom rebuilds — often on the same block. The cottages carry galvanized supply lines, crawlspace plumbing that freezes, and drains sized for summer weekends; the rebuilds carry modern systems that still connect to old service lines under the street. Mid-century homes up the hill have their own set: original copper with lead solder joints, cast-iron drains, and water heaters on their third replacement.

Hillside lots and a lake at the bottom

Much of Mahtomedi slopes toward White Bear Lake, which means water runs downhill toward a lot of basements. Drain tile and sump systems in older homes were never designed for a finished lower level, and spring melt plus a lake-level water table keeps pumps busy. Sewer laterals in the older streets are clay under mature trees — roots are the usual reason a basement drain backs up, and a camera tells you why.

Loon WaterIQ

How's the water in Mahtomedi?

Answer six quick questions and get a free water report built from Mahtomedi's own water-quality data — hardness, chlorine vs. chloramine, what's on the city's radar, and what's actually worth fixing.

Get my free water report Free · about 2 minutes · no email required

What we do here

Plumbing services in Mahtomedi

From our customers

5.0 on Google

“I was a big fan of how professional this team was. They were honest and affordable which I really appreciated. Got the job done in a timely fashion. I had to leave a review because great work deserves to be recognized. Highly recommend these folks.”

— Melvin A.

“Great service (bathroom - dual sink replacement and leaky valve replacement) and super fast service. Called Monday, service completed on Tuesday. Fair/clear pricing and excellent service. Trust this crew with all your plumbing needs!”

— Carl S.

Why Mahtomedi homeowners call us first

  • A clear, flat-rate price you approve before work starts
  • A clean home when we leave — floor mats, shoe covers, haul-away
  • Done right, or we come back and make it right
  • Licensed & insured — MN Master Plumber PM652496
  • Family-owned, Twin Cities based

Service area

All of Mahtomedi is our territory

Every neighborhood in Mahtomedi gets the same same-day service and flat-rate pricing — no corner of the city is out of the way.

Proudly serving Mahtomedi and nearby: White Bear Lake, Willernie, Dellwood, Grant, Oakdale, Lake Elmo, Vadnais Heights, Stillwater. See the full service area →

Good to know

Mahtomedi questions, answered straight

Do you offer same-day service in Mahtomedi?

Yes — same-day service is the standard in Mahtomedi, not the exception. Call and we'll give you an honest arrival window, not a four-hour guess that becomes eight.

Are you licensed to work in Mahtomedi?

Yes. We hold Minnesota Master Plumber license ${{SITE.license}}, we're insured, and when a job needs a permit we pull it through the City of Mahtomedi and meet the inspector ourselves. Permit costs are part of the flat-rate price you approve up front.

Is there really manganese in Mahtomedi's water?

The city's own monitoring has recorded it above the state's health guidance at its highest — relevant mainly for infants, since formula shouldn't be mixed with water above that level. Levels vary, so the honest step is a test at your tap. Filtration matched to the result handles it.

How fast can you respond to a plumbing emergency in Mahtomedi?

Call us and we'll give you an honest arrival time. For a burst pipe, shut off the main water valve first (usually in the basement near the meter), then call. We offer same-day and emergency service.

Our lake place started as a cottage. What's the risk?

Layers. Old galvanized feeding newer fixtures, a heater or pipes in a crawlspace that sees freezing air, and drains sized for a summer household. One walk-through tells you what's original, what's a winter risk, and what's honestly fine.

Do I need a softener in Mahtomedi?

At 12.7 grains with no central softening, yes if you want the water heater and fixtures to last. We size it to your bathrooms and your actual test number, free.

Do you charge extra to come to Mahtomedi?

No. No travel surcharge, no service-call games — Mahtomedi is squarely inside our service area. You get a free estimate and a flat-rate price before any work starts, same as every city we serve.

Request service

Tell us what's going on at your place

Send the form and we'll call you back — usually within the hour during business hours. In a hurry or standing in water? Skip the form:

(612) 445-6346

Same-day & emergency service available.

Prefer email?

Call (612) 445-6346Request service