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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon1.2k+
    Verified sump pump installation services reviews

Verified Reviews for Sump Pump Installation pros in Thornton, IL

*The Angi rating for Sump Pump Installation companies in Thornton, IL 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 Thornton, IL 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 July 31, 2026

Find Sump pump installation pros in Thornton

Avatar for Flo-Maxx Sewer & Plumbing, Inc.
Flo-Maxx Sewer & Plumbing, Inc.
4.6(
399
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"Kevin, the plumber, was excellent. He explained everything and even went over care for the new pump. He even took away the old pump for recycling. GREAT JOB and the cost was very reasonable. Highly recommend Flo-Maxx!"
marked in green were sewer is broken.
hydro jetting commercial sewer line.
attached to existing 4 inch cast iron.
chicago il.
maintenance at a apartment complex.

+77

Response time4 hrs
121 neighbors recently requested a quote
Recommended by97%of homeowners
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Avatar for Drain Pros
Drain Pros
4.6(
221
)
Sump Pump - Repair or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 2008

Free estimates

Emergency services offered

"Drainpros always do great work and always give the best and better option to get the job done."
Toilet repair
Toilet repair
Toilet repair
Pipe replacement
4 neighbors recently requested a quote
Recommended by98%of homeowners
Request Quote
Charlie's Plumbing Heating & Sewerage Service Inc
4.6(
131
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved

In business since 1992

Emergency services offered

Customers say: True professional

"Excellent service - Charlie was responsive regarding the quote and the service. I was notified of any potential delays and Charlie provided me with multiple options every step of the way. Service was provided in a careful manner to ensure all of my property was protected (floors, walls, etc.) and following installation of the new water heater all of the mess was cleaned up. I am very happy with the overall service and after obtaining multiple quotes I believe that the service I received from Charlie was not only reasonably priced, but was very high quality. I would take into consideration Charlie's competence along with the price when evaluating any cost estimate from him. I think he's your man if you need something difficult done - he's more than willing to make the square peg fit into the round hole."
Recommended by96%of homeowners
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Avatar for Criss Cross Plumbing
Criss Cross Plumbing
4.8(
75
)
Sump Pump - Repair or Replace

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1986

Free estimates

Emergency services offered

"He showed up that night with a pump in hand and installed and checked to make sure everything was working before he left. I had to call him because my other pump also needed to be replaced"
Response time2 hrs
Response rate98%
9 neighbors recently requested a quote
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Avatar for Best Price Sewer and Plumbing
Best Price Sewer and Plumbing
4.9(
137
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 2017

Free estimates

Emergency services offered

"Sump pump wasn’t working. Were at my house within 2 hours and installed new sump pump and a backup pump. Anthony was very friendly and knowledgeable. Would definitely use them again."
Response time5 hrs
10 neighbors recently requested a quote
Recommended by96%of homeowners
Request Quote
Avatar for A-1 Patrick's Sewer & Pipe Services
A-1 Patrick's Sewer & Pipe Services
4.6(
188
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Excellent, if I need more plumbing done in the future I'll call again."
Additional Photos
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+1

Response time2 days
Response rate100%
Recommended by94%of homeowners
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Avatar for Four Seasons Heating & Air Conditioning
Four Seasons Heating & Air Conditioning
4.3(
3,291
)
Sump Pump - Repair or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved (Corporate)

In business since 1971

Free estimates

Emergency services offered

"Had a heat pump installed. The installation went well. The installers were efficient, courteous and professional. Job well done."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Response time9 hrs
33 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Perma-Seal Basement Systems
Perma-Seal Basement Systems
4.4(
1,522
)
Sump Pump or Interior Foundation Drains - InstallSump Pump - Repair or Replace

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

In business since 1979

Free estimates

Emergency services offered

"Paul was prompt, courteous and very competent. Replaced two sump pumps and installed a new Defender. Great job !"
Thermal imaging
Blower door test
Old insulation removal
New blown insulation
Perma-Seal Attic Insulation

+48

Response time1 day
Response rate100%
55 neighbors recently requested a quote
Request Quote
Avatar for Big Wrench Plumbing & Sewer Contractor
Big Wrench Plumbing & Sewer Contractor
4.7(
63
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Customers say: Quick response

"Every things that these Plumbers did from greetings/conversation with me to the installion & clean up of my bathroom sink was just awesome. I would highly recommend them. The only negative remark toward Big Wrench Plumbing & Sewer is the Cost/Charge to do this was too high. Don't get me wrong everything else that was say/done to installed was just awesome."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+74

Response time2 days
Response rate100%
Recommended by77%of homeowners
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Avatar for R.A. Mechanical, Inc.
R.A. Mechanical, Inc.
4.7(
351
)
Sump Pump - Repair or Replace

Serving Thornton, IL and surrounding areas

Approved

Super Service Award Winner

In business since 2016

Free estimates

Emergency services offered

"John the installer arrived on time, accessed the jobs R.A. Mechanical was hired to do and wrote out a fair estimate of the job. He performed the installation of a sump pump and hot water tank. Finally removing the old appliances and hauled them off. Completely satisfied with this company's professionalism!"
Misc
Misc
Misc
Misc
Misc

+63

Response time5 hrs
368 neighbors recently requested a quote
Recommended by91%of homeowners
Request Quote
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Sump Pump Installation questions, answered by experts

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.

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.

There are a couple of similar alternatives you may consider for a sewage ejector pump, including a grinder pump or a submersible sump pump. Submersible sump pumps protect your home from flooding from outside water, though, rather than handling wastewater from inside. A grinder pump macerates, or shreds, solid waste before pumping it onward to the sewer line.

A sump pump battery backup can typically run for 6 to 24 hours. The factors that affect its runtime include the battery capacity and pump usage. 

When purchasing your backup system, take these factors into consideration to determine which system is best for your home. If you live in an area with frequent and long-lasting power outages, consider a longer-lasting backup battery.

Yes, many providers offer warranties for new pumps and labor. Confirm terms before scheduling.

The Thornton, IL 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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