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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon4.6k+
    Verified foundation drain installation services reviews

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

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

Serving Denver, 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 Denver, 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 Denver, 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
1293 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 Denver, 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
Recommended by95%of homeowners
Avatar for Canyon Dirt Works, LLC
Canyon Dirt Works, LLC
4.9(
26
)
Foundation Drainage - Install or Replace

Serving Denver, CO and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"The excellent grading with the protection of a rubber liner and river rock along two foundation walls in July 2019 prevented my basement from flooding recently when my sprinkler manifold next to the foundation broke and water spilled out for 1 1/2 hours, but none came in the basement! Chris and his son were hard-working, efficient, professional, and reasonably priced. I would highly recommend them and their work!"
After
After
After Front
Back
Entry portion road

+32

Response time10 hrs
Response rate85%
2 neighbors recently requested a quote
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Foundation Drain Installation FAQs, answered by experts

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.

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.

Due to the nature of basements, some level of waterproofing is necessary to prevent water from seeping in and causing damage. Some definitive signs that your basement needs waterproofing measures or needs existing waterproofing measures need to be updated include:

  • Water in your basement, including damp walls or puddles on the floor

  • Mold spots in your basement

  • Musty smells or odors

  • Warped doors or walls

  • Cracks in walls

  • Insect issues, such as cockroaches and termites

Costs range from $2,000 to $7,000, depending on system type and excavation requirements.

Sump pumps prevent basement flooding, reduce humidity, and protect against water damage.

The Denver, 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.