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  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon399
    Verified sump pump installation services reviews

Verified Reviews for Sump Pump Installation pros in Thomaston, CT

*The Angi rating for Sump Pump Installation companies in Thomaston, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sump Pump Installation needs.

*The HomeAdvisor rating for Sump Pump Installation companies in Thomaston, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Sump Pump Installation needs.

Last update on March 21, 2026

Find Sump pump installation pros in Thomaston

Avatar for Budget Dry Waterproofing, Inc.
Budget Dry Waterproofing, Inc.
4.4(
240
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Thomaston, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Our service person was Bill Fanning. He was excellent and explained everything in full detail! Bill was polite and respectful, and advised us on the best new sump pump to replace our non-working sump pump."
Drain at base of bilco
going up on the wall
finished wall area
completed
finished sump pump area

+37

Response time1 day
141 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Groundworks
Groundworks
5.0(
12
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Thomaston, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

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

Foundation
Foundation
Foundation
Concrete
Concrete

+16

570 neighbors recently requested a quote
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Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
223
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Thomaston, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Excellent, very professional crew, installed a new sump pump quickly . Very personable, clear explanation of all work"
Finished basement in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT

+13

Response time10 hrs
189 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for InstaPlumbing, LLC
InstaPlumbing, LLC
4.6(
228
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Thomaston, CT and surrounding areas

Approved

In business since 2014

Emergency services offered

Warranties offered

"I was thoroughly pleased with the installation of my new kitchen faucet. What I liked is that they went above and beyond. There were other things in the house that needed attention and Kyle changed did a "wellness" check around the house, the bathrooms and found that the faucet to the outside of the house needed updating. I wills say that their price was a little high but for my peace of mind, it was worth it. Within 5 days of my work being done, I recommended them to a co-worker who needed a hot water heater repaired and they are satisfied with that work too. Yes, I will call on InstaPlumbing again."
Dryer Vent Inspection
Faucet Repair and Installation
Shower valve repair
Large and Small Drain Snaking
Apprentice Dylan

+1

Response time9 hrs
17 neighbors recently requested a quote
Recommended by93%of homeowners
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Avatar for A&A Waterproofing
A&A Waterproofing
5.0(
10
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Thomaston, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"Came to finish digging out trench to install footing drains around basement area of house. The guys finished the job in 1 day. So far no leaks into basement."
Response time2 days
Response rate88%
4 neighbors recently requested a quote
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Avatar for Premium Northeast Plumbing, LLC.
Premium Northeast Plumbing, LLC.
5.0(
6
)
Sump Pump or Interior Foundation Drains - Install

Serving Thomaston, CT and surrounding areas

Approved

In business since 2023

Free estimates

Emergency services offered

Local owner-operated business specializing in plumbing and heating. Owner has been in the plumbing field for 20 years. We pride ourselves in good communication, competitive pricing and professional service from start to finish.

Additional Photos
Recommended by100%of homeowners
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Avatar for HARP Home Services, LLC
HARP Home Services, LLC
3.7(
107
)
Sump Pump - Repair or Replace

Serving Thomaston, CT and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Thetechnician was friendly and did a great job of servicing my boiler and mini splits"
replacing water heater
Tank Water Heater
14 neighbors recently requested a quote
Recommended by70%of homeowners
Request Quote
Avatar for Precision Landscaping and Excavating
Precision Landscaping and Excavating
4.2(
33
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Thomaston, CT and surrounding areas

Approved

In business since 1994

Free estimates

Warranties offered

"Rob got back to me the same day I submitted the request and we came to agreement the same day as well."
Landscaping Projects
New Walkways
New Retaining Wall
Before and After Wall
Before

+52

Response time7 hrs
12 neighbors recently requested a quote
Recommended by88%of homeowners
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Sump Pump Installation questions, answered by experts

In most cases, standard homeowners insurance policies do not cover damage from a sump pump failure or overflow. Coverage for water damage is often limited to sudden, unexpected events like a burst pipe that was not caused by negligence. To be covered for sump pump issues, you will likely need to purchase a specific rider, endorsement, or additional water backup insurance. If your insurer offers this type of coverage, they may require proof that your sump pump is regularly maintained.

A sewage ejector pump is necessary if you have any plumbing fixtures, such as a bathroom, laundry room, or sink, located below the level of your home's main sewer line. Standard plumbing relies on gravity to drain wastewater and solid waste into the municipal sewer system or a septic tank. For fixtures below this level, like those in a basement, gravity cannot move the waste upward. The ejector pump provides the force needed to pump the sewage up to the main line. Without one, wastewater from below-ground fixtures would back up, potentially causing a sewage overflow and flooding. If all of your plumbing is on the main floor or higher, gravity is sufficient and an ejector pump is not needed.

A small sump pump running infrequently uses an average of 10 kilowatt-hours (kWh) of electricity per month. The average cost for electricity is $0.171 per kWh. The size and use frequency affect how much electricity it uses. Sump pumps average one-third to one horsepower (hp) motors. One hp is equal to 745.7 watts. Watts multiplied by the time your pump is running divided by 1,000 equals your average kWh. Multiply kWh by your average cost of electricity. In areas with high rain or a marsh basin, the average cost can be as high as $15-$25 a month.

The difference between an ejector pump and a sump pump lies in their purpose and design—an ejector pump functions to remove liquid gray water and soft solid sewage waste from your home. If you have a laundry room or bathroom in your basement, an ejector pump for your sewage tank prevents sewage from backing up in your washing machine or bathroom’s drains.

A sump pump is designed to remove excess groundwater that may enter your home, either due to flooding or periods of heavy rain.

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 Thomaston, CT homeowners’ guide to sump pump installation services

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

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