Water Street and The Commons: old buildings, old lines
Downtown Excelsior packs shops, restaurants and apartments along Water Street, with The Commons and the Port of Excelsior at the lakefront. The Southwest Regional LRT Trail also runs through town. Many of these buildings predate modern plumbing, and the 1899 Excelsior Public School shows how old the town is. Assume original pipe until a plumber proves otherwise.
For a shop or an apartment above one, the useful prep is simple. Know where the shutoff is, who owns the building's drain and whether a floor drain exists. Dispatch will ask. When a ceiling stain appears under an upstairs unit, shut off water to that unit first, since one tenant's leak becomes another's flood.
Excelsior's city page says a plumbing permit is required when you add a fixture such as a sink, tub or toilet, and inspections are handled by Metro West Inspections under the standards of the state code.
What sits behind the plaster of a Victorian house
Victorian-era houses were plumbed, re-plumbed and added onto over more than a century. Behind a wall you may find galvanized steel supply lines clogged with rust, cast iron drains, and a patchwork of copper and plastic repairs. Rust-narrowed pipes cause low pressure, while worn joints cause slow seeps that rot framing before anyone sees a stain.
That is why leak detection leads the list here. An acoustic ground microphone and a thermal imaging camera locate a leak in a plaster wall within a small area, and a pressure test tells us whether the hot or cold side is losing. The alternative is cutting open original plaster to guess.
Old-house warning signs and what each one means
These signs show up in older Excelsior homes more than newer ones.
| Warning sign | Likely cause | Next step |
|---|---|---|
| Weak flow at every tap. | Rust buildup in galvanized supply. | Pressure test, consider repiping. |
| Damp plaster, no visible pipe. | Slow seep inside the wall. | Thermal camera, acoustic listening. |
| Brown water from one tap. | Corroding pipe on that branch. | Flush, then inspect the run. |
| Pinhole spray on copper. | Pipe wall worn thin. | Shut off, replace that section. |
| Meter moves, nothing running. | Hidden leak. | Leak detection visit. |
When leak detection points to a full repipe
One leak in an old line is rarely the only weak spot. If detection finds a second or third problem, or the camera and pressure test show rust-narrowed pipe throughout, repiping replaces the supply lines with new copper or PEX. Press fittings make joints without a torch, which matters in a wooden house with dry framing.
Repiping can happen in phases, floor by floor, with the water on for most of the day. The decision comes down to how many failures the tests find, how accessible the walls are and whether the house will be opened for other work anyway. If a pipe has already burst, a burst pipe repair visit comes first.
After the 2026 boil advisory: what to check in your plumbing
Excelsior had a boil water advisory in 2026 after a loss of pressure in the distribution system, and residents were told to flush their plumbing afterward. We do not diagnose health effects of water, so follow city and health guidance on that. These steps look at the pipes themselves.
- Run each cold tap for a few minutes, then flush the hot side too, as the city advised.
- Replace filter cartridges in refrigerators, pitchers and under-sink units that sat in the affected water.
- Flush the ice maker and water dispenser lines before using them again.
- Look for new drips at old connections, since a pressure drop and return can stress worn fittings.
- Check the water heater base and relief valve for moisture a day later.
- Report orange staining, because the city plant removes iron and manganese by gravity filtration and should not produce it.
Adding a fixture in Excelsior needs a permit
The city page says a plumbing permit is required when you add a water fixture such as a sink, tub, toilet or lawn sprinklers. Excelsior contracts building, mechanical and plumbing inspections to Metro West Inspections, and its Public Works and Utilities Department runs the water and sanitary sewer. Finishing a basement bath triggers that rule, so ask the city before you start.
Excelsior and the lake side of the service area
Excelsior does not border Minnetonka. It sits across the lake side of our service area, a short drive away, and the 24/7 line treats it like any other call.
Historic core
The steamboat Minnehaha, the Port and Water Street define the center. Older buildings mean a plumber expects tight access and old pipe, so tell dispatch the building's age if you know it.
Water and sewer
The city plant softens water and removes iron and manganese by gravity filtration, then adds chlorine and fluoride. Public Works handles the main, so a problem at the street is theirs.
One ZIP, many towns
55331 covers Excelsior and parts of nearby towns. Leak detection and repiping calls are accepted anywhere in it, including Highway 7 addresses.
Emergency hours
Emergency dispatch to Excelsior is available around the clock. Neighboring towns we reach from the same line include Wayzata and Eden Prairie.
Before we arrive at your Excelsior building
Old buildings reward a little advance work.
Find the main shutoff
In a Victorian house the valve may be in a stone-walled cellar or behind a panel. If it is stiff or corroded, do not force it. Tell dispatch.
Kill power to wet areas
If water is coming through a ceiling, switch off breakers for the rooms below and avoid light fixtures that hold water.
Clear the area
Move furniture and rugs off wet plaster or floors. Clear a path to the cellar and to any panel that hides plumbing.
Call the 24/7 line
Give the age of the house, where the wet spot is and whether you flushed after the advisory. Those details point to the right tools.
Questions from Excelsior homeowners
Excelsior has one ZIP, 55331, running from the Port and Water Street to Highway 7. It also serves parts of Shorewood, Greenwood, Tonka Bay, Deephaven, Orono, Chanhassen and Minnetrista. Deephaven and Orono addresses may carry 55391 instead, the Wayzata ZIP, and we cover both.
Yes. The 24/7 line dispatches licensed plumbers to Excelsior at night, on weekends and on holidays. Excelsior is a short drive from our Minnetonka address across the lake side of the service area.
The city told residents to flush their plumbing afterward, so follow its notice. Plumbers can check the water heater, fittings and filters for trouble. We do not give health advice on water.
Usually to within a small area. An acoustic microphone and thermal camera narrow the spot, and a pressure test tells hot from cold. Then the opening is small.
Yes. The city requires a plumbing permit to add a water fixture such as a sink, tub or toilet. Inspections go through Metro West Inspections, so ask the city how to schedule.
Weak flow at every tap, rust-colored water and repeated leaks point that way. A pressure test and leak detection visit show whether the lines can be patched or should be replaced.
Excelsior on the map
Nearby towns on the same line
The same 24/7 number covers the towns around Excelsior. Pick the one closest to your address.