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    Average homeowner rating
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    Verified sump pump installation services reviews

Top-Rated Sump pump installation pros in Middleton - Updated Nov 2026

Avatar for KJM Plumbing
KJM Plumbing
4.9(
27
)
Sump Pump or Interior Foundation Drains - Install

Serving Middleton, WI and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"KJM Plumbing, Kurt, responded quickly to my request for a quote on replacing our leaking water heater. He quoted installing a high quality, Bradford White unit at a reasonable price. The plumber who did the full installation was a very skilled, professional and friendly worker. The final invoice had no unexpected charges and included a nice breakdown of the major portions of the project. I highly recommend KJM Plumbing, for work in the Madison, WI area."
Response time1 day
5 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Cardinal Heating & Air Conditioning
Cardinal Heating & Air Conditioning
4.8(
164
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Middleton, WI and surrounding areas

Approved

In business since 1984

Free estimates

Emergency services offered

"I purchased a new HVAC system from Cardinal. Everything about the job went as planned, in the amount of time we were promised. The installers were professional and cleaned up the work space very well when they were finished. I would use Cardinal again without hesitation."
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air
Cardinal Heating & Air

+15

103 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Kegonsa Plumbing
Kegonsa Plumbing
4.9(
14
)
Sump Pump or Interior Foundation Drains - Install

Serving Middleton, WI and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"Lucas was amazing to work with. Got us a deal on a new kitchen sink and offered a match on the faucet when we found it cheaper elsewhere. Very prompt and excellent service. Will definitely hire again in the future."
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+9

1 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Advanced Home Services
Advanced Home Services
4.6(
137
)
Sump Pump or Interior Foundation Drains - Install

Serving Middleton, WI and surrounding areas

Approved

In business since 1985

Free estimates

Customers say: Quality work

"AHS was very responsive to my inquiry for services and willing to work with my schedule. They were professional and punctual in their approach. He was a hard and smart worker with all the tools required and a ton of common sense gained through years of experience, The work was of high quality and fairly priced."
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+1

Response time1 day
Response rate100%
Recommended by86%of homeowners
Adler Plumbing, LLC
New to Angi
Sump Pump - Repair or Replace

Serving Middleton, WI and surrounding areas

Approved

In business since 2023

Free estimates

Offers commercial services

Welcome to Adler Plumbing, LLC! In business since 2023, we are a full service plumbing company who takes great pride in the quality of our work and guarantees customer satisfaction. We specialize in all service and repair for both residential and commercial properties, and no job is too big or too small. Serving Cross Plains and its surrounding areas, be sure to give us a call today!

Response time3 hrs
11 neighbors recently requested a quote
Avatar for JLF Plumbing LLC
JLF Plumbing LLC
4.5(
36
)
Sump Pump or Interior Foundation Drains - Install

Serving Middleton, WI and surrounding areas

In business since 1974

Free estimates

Warranties offered

"The plumber was very friendly and professional. The price they quoted me was over $200 less than other plumbers for the same level of service. I was very pleased with the competence of the plumber. He took the time to explain the controls to me, the type of salt I should use, and how much salt for my new water softener. He was an hour late, however he finished the job in less time than I was quoted."
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Response time1 day
Recommended by93%of homeowners
Showing 1-10 of 28
Sump Pump Installation FAQs, answered by experts

Sump pumps prevent basement flooding, reduce humidity, and protect against water damage.

Every three to four months, you should clean any dirt and debris off of your sump pump. You should also check the inlet screen (at the bottom of the pump) to make sure that it isn’t blocked. On top of that, you should deep clean your sump pump once per year—or hire a sump pump pro to do it for you.

Several indicators suggest it's time for a sump pump replacement. A key factor is age; if the pump is over 10 years old, its lifespan is likely ending. Performance issues are also clear signs, such as the pump running constantly, cycling on and off frequently, making unusual noises or vibrations, or failing to function at all. A faulty or burnt-out motor is another definite sign a replacement is needed. Additionally, if you notice any signs of incorrect installation, the pump should be replaced. For a definitive diagnosis, a vetted plumber can assess the pump and confirm whether a replacement is necessary.

Yes, it’s possible to install a sewage ejector pump outside rather than in a basement. However, there may be some extra steps involved, including running pipes from the inside to the outside of your home and digging (and re-filling) a hole for the basin. If you aren’t comfortable with this type of work, contact a plumbing pro to handle it for you.

One common reason a sump pump stops working is improper sizing. Different locations need different sizes and power ratings of sump pumps depending on the typical amount of water the pump needs to manage. If your sump pump is too small for the quantity of water, it can overwork and either burn out or reduce the life of the unit. If the pump is too big, it can overwork and burn out early. 

The Middleton, WI homeowners’ guide to sump pump installation services

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