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    Verified foundation drain installation services reviews

Top-Rated Foundation drain installation pros in Thornton - Updated Nov 2026

Avatar for U.S. Waterproofing
U.S. Waterproofing
4.2(
598
)
Foundation Drainage - Install or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 1957

Free estimates

Warranties offered

"Called company on Monday and got an appointment for an inspection on Wednesday. That following Monday, the technician arrived and went through each step is sealing off the concrete foundation to the water leak. The fix worked well and was put to the test with the recent record rains. Not one drop of water came into the basement."
Radon Mitigation
Radon Mitigation
Basement Waterproofing
Basement Waterproofing
Response time1 day
Response rate100%
17 neighbors recently requested a quote
Avatar for The Real Seal LLC
The Real Seal LLC
5.0(
252
)
Foundation Drainage - Install or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"My husband and I had a wonderful experience with The Real Seal in July 2024. They fixed a bowing foundation and waterproofed the basement for future finishing. Their team was prompt, respectful, organized and thoroughly educated us on the drainage tile system, installation process and prevention. Thank you, Real Seal for being the flawless first step to our dream basement/family space!"
Before and After Crack Repair
I Beam Supports
Polyjacking in Darien
Our Carbon Fiber Straps Repair Before, During, and After
Crack repaired with Carbon Fiber Staples

+39

Response time10 hrs
232 neighbors recently requested a quote
Recommended by98%of homeowners
Avatar for Flo-Maxx Sewer & Plumbing, Inc.
Flo-Maxx Sewer & Plumbing, Inc.
4.6(
400
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved

In business since 2009

Free estimates

Warranties offered

"If you are ever in need of a fantastic sewer/drain/plumbing company, you should absolutely contact Flo-Maxx!! As a first time homeowner, I unexpectedly walked into a laundry list of issues. After having one company tell me I was a low priority, Flo-Maxx came to my rescue and from the first phone call they were a joy to work with. Every job they worked on they were prompt, communicative, courteous and honest. They put up with my 10,000 questions and always treated me with respect (rather than just as an unknowledgeable girl). They are not the cheapest option out there, but they are far more reasonable than the bigger/impersonal companies. Add to it that they truly take pride in their work, with Flo-Maxx you happily get more than what you pay for. Due to the number of issues this old house had I probably know Joe and his team better than I know my neighbors. Boss Man Joe, Martin, Kevin, Hassan, Mario, Elias, Felix, David and Luis were all a delight to work with. It didn't matter if it was sunny/60, thunderstorms, or snowing; weekday or weekend, they always showed up with a great attitude and ready to help. Special props to Martha too for being the gate keeper of it all and answering my many phone calls. Long story short, I will hands-down always recommend Flo-Maxx Sewer and Drain. Stop wasting time reading other reviews... just call them now. List of work done (so far) - Hydrojet to clear sewer back-up (twice), fixed leaking drain in laundry sink, replaced water heater & expansion tank, replaced ancient flood control system with lift station"
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
23 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for A-1 Patrick's Sewer & Pipe Services
A-1 Patrick's Sewer & Pipe Services
4.5(
189
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"We have been using Patrick's services since 2016 in our properties as well a relative's property. He has fixed things like unclogging a drain to major sewer repairs. Patrick is always available when we call and his prices are reasonable. He is very reliable and trustworthy, has the best prices compare to other plumbers and has diagnosed problems other plumbers have missed. I cannot say enough about this company. Definitely recommend and will continue using as well."
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+1

Response time2 days
Response rate100%
1 neighbors recently requested a quote
Avatar for Big Wrench Plumbing & Sewer Contractor
Big Wrench Plumbing & Sewer Contractor
4.7(
65
)
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

"We called and they showed up with 2 hours so was real happy with that. Our downstairs toilet backed up. He came in tried to unclog it from the toliet but it didn't work so he went to the main drain and was able to get it cleared. He cleaned up after the work was done. let was backed up."
Additional Photos
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+74

Response time2 days
Response rate100%
Recommended by74%of homeowners
Avatar for Chicago Basement Systems
Chicago Basement Systems
5.0(
8
)
Foundation Drainage - Install or ReplaceSump Pump or Interior Foundation Drains - Install

Serving Thornton, IL and surrounding areas

Approved

In business since 2005

Free estimates

Warranties offered

"Jim was our representative. He kept us aware of his schedule and his arrival time. He was courteous and professional. We showed the concerns we had to him and he asked if he could look around so he could check all foundation walls. He did, and was wonderful walking us through what was needed to be done and what was not an issue as well as gettiing us on the calendar that best fit our calendar to fix that which was a concern. We would highly recommend this company and Jim to care for your foundation, basement, and crawlspace."
Crack Repair Before
Crack Repair After
99 neighbors recently requested a 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

"I called Charlie on a Friday morning after we discovered that we had a blocked drain or sewer. He said he would be able to come by the next day (Saturday) right after a morning appointment that was already scheduled. He called like he said he would and then showed up within 15 minutes of his estimate. Charlie was very methodical in his approach and he explained everything he was doing. He cleaned up very well after the service call. I was very pleased with the professionalism and the service experience."
Recommended by96%of homeowners
Avatar for The Real Seal, LLC
The Real Seal, LLC
4.5(
38
)
Foundation Drainage - Install or Replace

Serving Thornton, IL and surrounding areas

Approved

In business since 2011

Free estimates

Warranties offered

"I worked with Austin Werner at Real Seal to get some basement sump pump work done. He came out initially and gave me a quote and different options for my basement sump pump. He was very knowledgeable and gave pros and cons of different options. The quote was priced very fairly. They were able to get us on the schedule quickly. On the day off, the Real Seal technician called me the morning to let me know what time they would be here. The job was done very professionally and they answered all my questions. They cleaned up after the install. Highly recommended."
 Interior Foundation Crack Repair
Exterior Drain Tile System
 PHCC 1730 Battery Backup System w/ 1033 sump pump
 Interior Foundation Crack Repair
Cut-out of Interior Drain Tile System

+74

Response time10 hrs
27 neighbors recently requested a quote
Recommended by94%of homeowners
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Foundation Drain Installation FAQs, answered by experts

Yes, the air from a damp basement can travel up into your living area through a process called the stack effect, so moisture, mold spores, and other debris in your basement air can all decrease your indoor air quality on your main floors. Additionally, damp basements can promote the rotting of building materials, which can damage flooring, insulation, and framing on your first floor in addition to materials in the basement.

Some questions you should ask before hiring a plumber or drainage installation company include:

  • Are you licensed and insured?

  • Do you have any customer testimonials I can read?

  • How do you handle unforeseen challenges that occur during the job?

  • Is your fee a flat rate or hourly?

  • Do you do the work, or do you have subcontractors?

  • Is everyone who does the work licensed and qualified plumbers?

  • Is cleanup included in the quote?

  • Do you offer a warranty or guarantee on your work?

Walkout basements cost more than other kinds of basements, and can also increase your risk of leaks as well as a loss of insulation, leading to higher heating and cooling costs. Improperly installed walkout basements may lead to structural issues with your foundation, so ensure you’re working with a contractor who has extensive experience with this kind of basement.

Yes, a well-maintained sump pump can increase a home's value and make it more desirable to potential buyers; it does not lower property value. By protecting the basement from flooding and water damage, a sump pump provides peace of mind and can make the space usable for storage or as an extra room. For buyers interested in homes with basements, a working sump pump is a significant feature that adds value by ensuring the space is secure and less likely to flood.

Costs depend on pump type, labor, and site-specific requirements like excavation or drainage lines.

The Thornton, IL homeowners’ guide to foundation drain installation services

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