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TRUSTED BY KNOWLTON, NJ HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon108
    Verified sump pump installation services reviews

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

Avatar for Once & Done Waterproofing Solutions, LLC
Once & Done Waterproofing Solutions, LLC
4.6(
61
)
Sump Pump or Interior Foundation Drains - Install

Serving Knowlton, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"After dealing with roto rooter and Losch plumbing with very bad experiences. Thank God for finding Once & Done. Very professional crew, they did a great job in installing the new sump pump that we definitely needed. Jeff was very honest and nice and explained everything that had to be done in detail. Highly recommend."
job in progress
job in progress
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job in progress
job in progress

+14

Response time11 hrs
20 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for Dawson Mechanical Contracting
Dawson Mechanical Contracting
4.8(
136
)
Sump Pump or Interior Foundation Drains - Install

Serving Knowlton, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"I had a great experience with this company installing my new boiler. Their pricing was fair compared to other estimates I received. Dave walked me through the entire process and answered all my questions, and his team came in and did a great job with the installation. With so many scammers out there, I truly felt comfortable working with this company and will absolutely use them again in the future."
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+20

Response time7 hrs
Response rate99%
Recommended by92%of homeowners
Avatar for NJ Pro Plumbing LLC
NJ Pro Plumbing LLC
4.9(
41
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Knowlton, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today! \n

Broken Copper Pipe
Live Edge Sink and Toto
Gas Line Replacement
Entire Bathroom Remodal
1 neighbors recently requested a quote
Recommended by68%of homeowners
Avatar for D.M. Solutions, LLC
D.M. Solutions, LLC
4.9(
64
)
Sump Pump - Repair or Replace

Serving Knowlton, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"David was great to work with for an AC/furnace installation. He was very reasonable, transparent and responsive from day one. Under-promised and over delivered from a timing standpoint with our project and it was not easy. Highly recommended if you want good, honest service and no gimmicks."
Before
After
After 2
Boilers before
Before relocation

+6

Response time7 hrs
2 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Advanced Professional Management, LLC
Advanced Professional Management, LLC
4.2(
939
)
Sump Pump or Interior Foundation Drains - Install

Serving Knowlton, NJ and surrounding areas

Approved

In business since 1999

Emergency services offered

Warranties offered

"I had their technician (Julian) hook up & tested my pool pump, also fix a clogged toilet. Julian was very thorough and explained everything that needed to be done through the entire job. Couldn’t be more happier with their service, I do find their price is on the high side, however I would definitely recommend & hire them again as not all plumbers or even pool company would come & hook up existing pump"
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+33

Response time11 hrs
Response rate100%
3 neighbors recently requested a quote
Avatar for Restored NJ
Restored NJ
4.8(
19
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Knowlton, NJ and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I hired this contractor to install a stone patio, seal my driveway, and pressure wash my home. The contractor did an excellent job on all three! Jobs were done quickly and were very well priced. I highly recommend them!"
Response time3 hrs
Response rate93%
Recommended by89%of homeowners
Avatar for Progressive Renovation, LLC
Progressive Renovation, LLC
4.0(
459
)
Sump Pump or Interior Foundation Drains - Install

Serving Knowlton, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Emergency services offered

"Sam is very professional and knowledgeable on installing the pumps and drains. He contacted me right away and assessed the problem immediately. Sam and his team were on time and did an excellent job. I would recommend Progressive Renovation. Great team, reasonable prices"
Response time9 hrs
Response rate98%
153 neighbors recently requested a quote
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Sump Pump Installation FAQs, answered by experts

There are several things you can do to maintain your sump pump and prevent sump pump problems. For instance, keeping a lid on your sump pit goes a long way in protecting your pump system from silt, sand, dirt, and other debris. When water drains from the outside, such as along your foundation, or with melting snow, water runoff often brings sediment with it. 

Also be wary of corrosion, particularly if your sump pump system is made of metal. Keep an eye out for rust and have it inspected regularly by a plumber or sump pump technician.

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.

Test regularly, clean the pump, and inspect the discharge line to ensure efficient operation.

Costs range from $300 to $1,200, depending on the pump type, issue, and installation complexity.

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.

The Knowlton, NJ homeowners’ guide to sump pump installation services

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