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  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon3.1k+
    Verified sump pump installation services reviews

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

Avatar for Crawl Space Jam
Crawl Space Jam
5.0(
16
)
Sump Pump or Interior Foundation Drains - Install

Serving Cornelius, NC and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

"Chris did an exceptional job explaining the process of how the drainage system would help the foundation of our home and getting everything installed. Definitely recommend to those looking for drainage systems."
Foam Wall Insulation
Drainage Matting
Debris Removal
Ground is Sealed
Walls/Pillars Sealed

+6

Response time2 days
Response rate90%
40 neighbors recently requested a quote
Avatar for Groundworks
Groundworks
4.6(
516
)
Sump Pump or Interior Foundation Drains - Install

Serving Cornelius, NC and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1999

Free estimates

Warranties offered

"Exceptionally well. I am very pleased with the foundation repair, installation of a heavy-duty sump-pump with external drainage, heavy plastic gauge plastic covering the crawl space floor, and the full replacement of my crawl space insulation. The DryPro team from estimate and pictures to completion of the projects were all very efficient and very Professional. Cost was reasonable. Yes, I would hire them again."
Basement
Basement
Basement
Concrete
Concrete

+16

Response time3 days
125 neighbors recently requested a quote
Recommended by89%of homeowners
Robinette Plumbing Repair, LLC
4.7(
51
)
Sump Pump - Repair or Replace

Serving Cornelius, NC and surrounding areas

Approved

In business since 2002

Free estimates

Small jobs welcome

"The customer service went beyond the average service we have received from others. He really went out of his way to make sure all of our concerns were addressed and taken care of. We are so grateful to have found Matt. He will definitely be our plumber for any future concerns"
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Superior Plumbing and Drains
Superior Plumbing and Drains
4.5(
34
)
Sump Pump or Interior Foundation Drains - Install

Serving Cornelius, NC and surrounding areas

Approved

In business since 2005

Emergency services offered

Warranties offered

"We first had to get a service to come trace were the leak originated. Superior hooked us up with a good company for that. After that was done, Superior Plumbing came out to see what needed to happen. The leak turned out to be under our driveway. But Vinny and David were able to fix the leak without breaking up the concrete. They did an amazing job! They have so much knowledge and shared with us why our pipes keep leaking. Our water pressure was too high. They recommended installing a regulator to reduce our pressure. They fixed the leak and installed the regulator in one day. They know what they're doing, and I would highly recommend using them. I will be calling them again for our next plumbing need."
Superior Plumbing & Drains Team
Response time1 day
Recommended by87%of homeowners
Avatar for Sedona Waterproofing Solutions
Sedona Waterproofing Solutions
4.4(
81
)
Sump Pump or Interior Foundation Drains - Install

Serving Cornelius, NC and surrounding areas

Approved

In business since 2015

Free estimates

Warranties offered

"Great work. I needed trench dug and drain extension on downspout installed to prevent erosion. Job was completed quickly and met expectations. pricing was fair and crew was timely and courteous. Would definitely hire again."
Crawl Space Encapsulation
Crawl Space Encapsulation
Crawl Space Encapsulation
Crawl Space Encapsulation
Crawl Space Encapsulation

+51

Response time1 day
63 neighbors recently requested a quote
Recommended by92%of homeowners
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Sump Pump Installation FAQs, answered by experts

Inspect the pump annually, test the float switch, and clean the discharge line to ensure efficient operation.

If you have a self-cleaning washing machine but you’re still seeing lint, your water pump filter might be clogged. To clean it, you should unscrew the drain hose, then remove the water pump filter. From there, you can inspect it and clean it with warm water before replacing it. Check to be sure your washing machine is functioning by running a short cycle. 

If your sump pump isn’t engaging, it might be clogged with dirt and debris. Check to see if the fitting lid is loose and has been letting debris in. Next, check the float and make sure it’s not obstructed by rust or gunk, which results from insufficient maintenance. Tangled wires or damaged switching systems can also stop your sump pump from engaging.

First, you can try unplugging the two sump pump cords, one for the motor and one for the float switch, then plugging them back in to reset the sump pump. You can also reset the sump pump by turning it off and back on at the breaker. Many sump pumps have a reset button, which you can press and hold for a few seconds to reset the device.

There are several indicators that your washing machine’s drain pump is bad, including incomplete cycles, water not draining, lack of spinning, a foul odor when the machine is running, and a loud grinding or buzzing noise when the pump is trying to move water down the drain.

The Cornelius, NC homeowners’ guide to sump pump installation services

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