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Top-Rated Sump pump or interior foundation drains installers in Nashotah - Updated Nov 2026

Avatar for Groundworks
Groundworks
4.6(
917
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

Approved (Corporate)

In business since 1993

Free estimates

Small jobs welcome

Groundworks is the North America's leading and fastest-growing foundation repair and water management solutions provider. Groundworks is a vertically integrated company with its own manufacturing operations and a world-class software solution, allowing us to serve our customers more effectively. From the first phone call to the annual maintenance offered, our customers have peace of mind knowing we're there with one mission to repair, protect and improve their home. For state licenses visit Groundworks.com/licensing

Basement
Basement
Basement
Concrete
Concrete

+13

50 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Jensen Plumbing LLC
Jensen Plumbing LLC
4.7(
32
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Warranties offered

Small jobs welcome

"The overall install went well except for a small flaw. The small hole drilled in the PVC pipe splashes wtr out of the sump when pmp is activated. I now have to try to cover a portion of the sump to eliminate the issue."
Rough Plumbing
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel
Bathroom Remodel

+30

Response time2 days
Response rate100%
2 neighbors recently requested a quote
Avatar for Cardinal Heating & Air Conditioning
Cardinal Heating & Air Conditioning
4.8(
165
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"When I called, because we were looking into a new furnace and air conditioner, Cardinal sent Rick out to check things out in our basement and outside. My husband wasn't here the first trip out so Rick came back to explain what our options were to both my husband and myself. He explained what qualified for tax credits and rebates and then any add ons for heating and cooling. He explained what a heat pump was and how it worked. Then he shared his experience with the product. It was so nice, he came over on a holiday weekend, never pressured us, or was impatient, just a down to earth guy who really wanted to give us the most information to make sure Cardinal would meet all of our needs. They definitely did. Two days later their installation crew arrived bright and early and were done by early afternoon. The house felt different immediately with the in home humidifier and April aire system installed. What a difference! Thank you Cardinal for that wonderful two fur deal!"
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air

+15

99 neighbors recently requested a quote
Recommended by89%of homeowners
R S Plumbing Co
4.7(
45
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

"Steve is the best plumber. He returns calls promptly, he arrives when promised or calls if delayed and his competitively-priced work is expertly and efficiently completed. I have used this plumber for years during large remodeling projects and smaller plumbing jobs like this last one. The toilet that needed to be replaced was only three years old and used primarily by guests. I was proud of myself for getting such a good (cheap) price on it until Steve told me while he was installing it (in his charming accent) "you gonna have problems with this one". He was right and three years later he replaced that overflowing, persnickety nighmare of a toilet with a new Kohler. I no longer wonder and worry what the toilet will do when a guest asks to use that rest room. Steve replaced the burned out instant hot water heater and kitchen faucet while working in very tight quarters and granite counter tops. No mess. No fuss. Thanks Steve for being a plumber I can rely on."
Recommended by95%of homeowners
Avatar for Mr. Holland's Home Services LLC
Mr. Holland's Home Services LLC
4.3(
252
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

In business since 1997

Emergency services offered

Credit card accepted

"It was an AC emergency, Technician was prompt..and went immediately to work on the issue(s). Turned out it wasn’t my AC but a plumbing issue. Provided specific recommendation. Fast, efficient and friendly. Thanks Mr Holland!"
Additional Photos
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Additional Photos
Additional Photos

+3

Recommended by81%of homeowners
Avatar for Mattox Plumbing LLC
Mattox Plumbing LLC
4.8(
25
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

In business since 2020

Credit card accepted

"Great job! Came out quickly, and excellent communication letting me know when he would be on site. Coy did a great job and let me know what he was doing, as well as making some recommendations on a new sink that we need. Will certainly use them again!"
New Faucet
Bathroom Faucet
Bathroom Updates
Outdoor Horse Water
Response time1 day
Recommended by95%of homeowners
Avatar for Capital Heating & Cooling
Capital Heating & Cooling
4.2(
204
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"I was provided the fully modulating high efficient furnace solution that I wanted and received a profession installation within one week of purchase. 60-month, zero interest financing was also offered that made the decision easy. I would highly recommend Capital Heating and Cooling for your residential HVAC needs."
Dirty furnace fliter
AC Repair in Brookfield
AC Replacement
Geothermal Heating System Installed
Capital HVAC Geothermal installer

+34

Response time10 mins
129 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Supreme Care Services
Supreme Care Services
4.1(
58
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"Ron came out promptly and walked through the property  and provided us with an excellent recommendations for the job.  He submitted his bid for the job and once the job got underway he contacted me daily too let me know what time the job started and what time they left the property at the end of the day.  When I went to the property, Ron stopped painting and walked me through the property to show us what had been completed and what was left to be done for the remainder of the job, I couldn't have ask for a more professional job to have been done in our new home.  I would recommend Supreme Care Services to anyone looking for a great team.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

Recommended by83%of homeowners
Avatar for Sullivan Exteriors
Sullivan Exteriors
4.7(
44
)
Sump Pump or Interior Foundation Drains - Install

Serving Nashotah, WI and surrounding areas

In business since 2008

Free estimates

"Prompt, reliable service. Owner was easy to work with and foreman with his colleague were courteous and efficient. Since it was a nice day, my windows were open and I could hear their conversations and problem solving...this was all done very professionally. Before they left they cleaned up the area (spotless) and provided recommendations for keeping the gutters clean. Do not hesitate to hire this company."
Recommended by95%of homeowners
Showing 1-10 of 36
FAQs for sump pump or interior foundation drains installation projects in Nashotah, WI

Most residential pumps draw approximately 1,300 to 2,900 watts when they first start, then settle at roughly 800 to 1,050 watts during normal operation. The exact number depends on the motor’s horsepower and how often the float switch tells the pump to run. Even at the high end, the electricity cost is minor compared with the expense of cleaning up a flooded basement.

Grab a ruler and an empty 18‑inch‑wide pit. During a steady rain, time how much the water rises in one minute. Multiply that depth (in inches) by 60 to calculate gallons per hour, then add 50% for safety. If the result tops 2,100 gallons per hour—about 35 gallons a minute—you’ll need a 3/4‑horsepower unit. Anything lower, and a 1/3- or 1/2-horsepower pump should do the trick.

Loud rattling, constant cycling, or shuddering vibrations are the pump’s way of telling you it’s on its last legs. Musty smells, higher electric bills, and visible rust are other red flags. If the unit is 10 years old or older and exhibits any of these symptoms, replace it before the next heavy rain turns your basement into a wading pool.

You don’t have to hire a licensed plumber, but you should still bring in someone who installs sump pumps for a living—whether that’s a plumber, basement‑waterproofing specialist, or experienced handyman. They know the local codes, can wire the pump safely, and will test the system before they leave. Skipping professional help might void the warranty and could leave you with a pump that fails when you need it most.

Not every basement needs a pump, but if your home sits in a floodplain, has a high water table, or has ever taken on water during a storm, a sump pump is inexpensive insurance. For basements that only struggle with condensation or the occasional damp spot, sealing cracks and improving drainage may be all that is needed.

The Nashotah, WI homeowners’ guide to sump pump or interior foundation drains installations

From average costs to expert advice, get all the answers you need to get your job done.