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    Average homeowner rating
  • Verified reviews icon4.4k+
    Verified foundation drain installation services reviews

Find Foundation drain installation pros in Thornton

Drain Unlimited, LLC
4.6(
31
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, CO and surrounding areas

Approved

In business since 2001

Emergency services offered

Warranties offered

"Cyrus is an honest man with high integrity. I trusted in my home while I was at work. He is fair with his rates and his work is well done. He is reliable and takes pride in his work. I would highly recommend Drain Unlimited! If, I could rate him a 10 I would."
Response time7 hrs
2 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for No Limits Plumbing & Drains
No Limits Plumbing & Drains
5.0(
110
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Warranties offered

Small jobs welcome

"He bid the washer box install then was able to add the drain pipe increase. Very neat work. Added a clean out with the drain increase that was needed. Pleasant easy to work with, good communicator, good quality work done timely. Really appreciated the work"
Sink Rough In
Washer
Sink for bathroom
Shower & Toilet
Before Cleanout

+2

Response time8 hrs
Recommended by56%of homeowners
Avatar for Liftech Corporation
Liftech Corporation
4.7(
175
)
Foundation Drainage - Install or Replace

Serving Thornton, CO and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Excellent customer service. They were able to fix our basement slab quickly. The quote was reasonable. The tech came out and walked us through the process. Highly recommended!"
Driveway
Helical Pier insatll
Driveway
Helical pier Install
Before

+23

Response time5 hrs
3 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Rooter Guy, LLC
Rooter Guy, LLC
4.6(
3,127
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Emergency services offered

"Had them replace a drain pipe in my foundation. They were timely and efficient. Price was very good as I have been through this nightmare before. Really appreciated Keith and Nico! When Keith arrived, I instantly knew I had the right guy advising me on this. Nico did a great job doing the job. Thank you both."
sewer cleaning
1389 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Affordable Radon Solutions, LLC
Affordable Radon Solutions, LLC
4.7(
374
)
Sump Pump or Interior Foundation Drains - Install

Serving Thornton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Emergency services offered

"These guys came very unpreparedly... they did not bring their own ladders or flashlights. I had to provide them for them. They also cut 3 different holes in my ceiling before deciding to go through the foundation, they then charged me extra for them having to cut so much.... but it did not reflect on the receipt...when they were done they did a horrible job patching and left the plaster a massive mess. Would only recommend if you are selling per the buyer request to put in and you do not care how it looks."
 custom fit pipe-garage install
 Blending isn't a problem
 suction point T intersection into crawl space
Garage Attic Install
 close up view of radon mitigation fan

+25

Response time2 days
3 neighbors recently requested a quote
Recommended by95%of homeowners
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Foundation Drain Installation questions, answered by experts

DIY is possible for small systems like French drains. Professional installation ensures proper grading and long-term effectiveness.

A grinder pump is a major investment for homeowners and business owners alike. Protect this investment by choosing a reliable and reputable contractor to source the pump itself, install it, and outsource any additional work. Research local sewage system contractors ahead of time to ensure they have the appropriate insurance and licensing. You should also perform a fairly thorough online search to get a feel for the company’s professionalism by reading reviews.

Finally, give them a call to discuss the project. A good technician will be more than happy to get into specifics regarding both the installation process and the pricing.

No. Sump pumps have different capacities, which refers to the volume of water that they can remove. They also come in various horsepower ratings, which measure the size of the pump’s motor. For many homes, 1/3 horsepower is enough. But if you live in an area that floods often, you might need a more powerful model.

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.

Most sump pumps come with power cords that can be plugged into an outlet, but there are options that can be hardwired into a home’s electrical system. Either way, it’s smart to have a backup power supply in case the electricity goes out during a storm. That way, the sump pump can keep running and removing water from the sump pit.

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

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