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

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

Welcome to Drain Unlimited, LLC. From toilets to faucets and waterheaters to all phase of draining system, you can expect Drain Unlimited, LLC, to provide fast economical quality service for your business or home. Drain Unlimited, LLC, is simply the best Denver plumbing company. When homeowners and businesses in Denver area need plumbing work, they can rely on Drain Unlimited, LLC, to provide the highest quality and quickest service in the area.

Response time7 hrs
Recommended by93%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

"We recently had a team work on our home to fix a variety of foundation problems. In short, good communication and friendly customer service. Our sales rep Michael Freddolino was great. He was quick to respond to my first call and followed up without pestering when my husband and I dropped the ball and explained everything in a way we could understand it. Austin, Johnathan, Chris and Isaiah were the crew who worked at the house and were the nicest and most respectful group of workers. They were careful with our home, inside and out and cleaned up any mess that was made. They communicated very well with us to let us know how the progress was going and other items they ran into so they could be resolved right away. And if you can believe it, we ended up spending less than was originally estimated! I would definitely recommend them."
Driveway
Helical Pier insatll
Driveway
Helical pier Install
Before

+23

Response time5 hrs
1 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Rooter Guy, LLC
Rooter Guy, LLC
4.6(
3,131
)
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
1311 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Legacy Concrete Inc
Legacy Concrete Inc
4.5(
352
)
Concrete Foundation - Install

Serving Thornton, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2000

Free estimates

Warranties offered

"We have been living with a sunken patio and a walkway that slopes the wrong way for years and we finally decided to do something about it. After a lengthy Google, Yelp, BBB and other site searches we solicited bids from four concrete contractors. We selected Legacy. From the initial estimate through final inspection, The owner, Robert, and the crew were fantastic. Our situation was a difficult one, and no other contractor could develop and execute a creative solution that addressed all of our many issues. Jacob and the work crew were great to work with, kept us informed throughout, and really produced a wonderful result. Legacy was not the lowest bid, but was by far the best design to do the job. We can’t recommend this family business highly enough."
Concrete - Pouring & Repair Project
Concrete - Pouring & Repair Project
Concrete - Pouring & Repair Project
Concrete - Pouring & Repair Project
Concrete - Pouring & Repair Project

+6

1 neighbors recently requested a quote
Recommended by93%of homeowners
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Foundation Drain Installation FAQs, answered by experts

Yes, you can finish a basement that leaks, as long as you address the leak first. Before finishing a basement, you’ll need to repair any cracks in the walls and waterproof the basement to prevent future leaks. It’s much harder to clean up a water leak from a finished basement than an unfinished one, so preemptively addressing any leaking areas prevents expensive repairs in the future.

Grinder pumps alone cost $300 on average. The average cost to install a new grinder pump is between $2,000 and $4,000, including the pump and labor. This price can also change based on the exact type of grinder pump you choose, labor costs in your area, and the power system your home currently has.

Submersible and pedestal sump pumps are two popular types of sump pumps. Submersible models are covered by water in a sump pit, which helps keep the motor cooler and quieter. Pedestal sump pumps stick out of the sump pit, so the motor stays dry and is easier to access. Submersible sump pumps are the pricier option, but they also have longer life spans.

Whether professional drainage installation is covered by insurance depends on your specific policy and the circumstances. In some cases, homeowners insurance may cover the cost if drainage problems pose a risk to your home's foundation or structural integrity. However, it's essential to review your insurance policy, understand the terms and conditions, and consult with your insurance provider to determine if your particular situation qualifies for coverage. Coverage may vary, so it's crucial to clarify the details with your insurer.

Preventing future basement flooding often involves installing sump pumps, improving drainage, sealing foundation cracks, and maintaining gutters. Costs vary, but preventive measures can range from a few hundred to several thousand dollars, depending on the solutions chosen. Investing in prevention can save you money on future flooded basement cleanup costs and repairs.

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.