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Best basement waterproofing pros near Westminster, CO

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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon52
    Verified basement waterproofing services reviews

Top-Rated Basement waterproofing pros in Westminster - Updated Nov 2026

Avatar for Titan Foundation Repair, LLC
Titan Foundation Repair, LLC
4.8(
47
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Westminster, CO and surrounding areas

Approved

In business since 2018

Free estimates

Customers say: Quick response

"Jon is a great guy, took care of all my leaks in the basement. I have a 125 year old home so it was not easy finfinh and filling all the leaks. But he found everything and built some great shelving as well. Wish all contractors were this great to work with!!"
Repair Crack in Foundation
Crack In Foundation
Basement Foundation Repair
Massive Crack
Sealed and Injected Basement Crack

+11

Response time8 hrs
Response rate89%
13 neighbors recently requested a quote
Avatar for Liftech Corporation
Liftech Corporation
4.7(
175
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving Westminster, CO and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"They did exactly what they said. After looking at the basement mudjacking, I noticed that they could have easily done some work to get their recently re-leveled floor to match with the rest of what was around the section they touched. Good work, but no extra effort."
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 Flatirons Plumbing, Inc.
Flatirons Plumbing, Inc.
4.7(
265
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Westminster, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2015

Free estimates

Emergency services offered

"100% would reference them to your family, they took care of us as a big company (complete basement systems) like we were the home owners. We took initiative and resolved our customers problems immediately by contacting flat irons plumbing."
Our Flatirons Plumbing Team!
We promise to listen to our customers
The Flatirons Plumbing Team
Response time5 hrs
6 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Hyper Flow Service Company
Hyper Flow Service Company
4.9(
27
)
Basement Drainage Channels - Repair

Serving Westminster, CO and surrounding areas

Approved

In business since 2014

Free estimates

Emergency services offered

"Very happy that we decided to work with Kyle and Hyper Flow. We had a water main leak that flooded our basement and our sump pump was not working. At 7 months pregnant, I could not go without running water to the house and needed this fixed fast. Kyle came out to provide an estimate on a Monday and the work was completed by Wednesday. He provided the most reasonable estimate for getting the work done in that quick time frame. Kyle was professional, on time, and responsive with communication."
Restaurant Grease system
Floor sink Jetting
Floor sink Jetting
Clean floor sink
Clean floor sink

+12

Response time9 hrs
Recommended by100%of homeowners
Avatar for Bear Plumbing LLC
Bear Plumbing LLC
5.0(
16
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Westminster, CO and surrounding areas

Approved

In business since 2024

Free estimates

Credit card accepted

I pride myself on my professionalism, as well as my ability to complete every job to the homeowner's total satisfaction. I never leave a job unfinished, or a homeowner not 100% satisfied with my level of service - Call today!

Disposal installation
Drain repair
Water Heater
Exterior sewer repair
36 neighbors recently requested a quote
Recommended by6%of homeowners
Avatar for Groundworks
Groundworks
4.1(
527
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - RepairBasement Drainage Channels - Install

Serving Westminster, CO and surrounding areas

Approved (Corporate)

In business since 1999

Free estimates

Warranties offered

"Very courteous and considerate crew. They took extra precautions to ensure cleanliness and avoid any damage to the floors while moving equipment into the basement. The quality of the work is excellent and conformed exactly to the contract. We are totally satisfied with Complete Basement Systems and highly recommend them for foundation and basement repair work."
Protect Your Basement Before & After
Correct Your Wet Basement
Protect Your Basement
Waterproof Your Basement
Protect Your Concrete Before & After

+16

Response time3 days
226 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Larry’s Legacy Landworks
Larry’s Legacy Landworks
5.0(
9
)
Basement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving Westminster, CO and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

"My wife and I have had a few projects done by Dillan and we were very impressed with the quality craftsmanship. It is so refreshing to hire someone who possesses such high standards of professionalism and curtesy. I highly recommend Larry's Legacy Landworks. They consistently do the work that was agreed upon within the agreed timeline."
Bathroom remodel
Bathroom remodel
Kitchen Remodel
Drywall skim coat
Shower Door Instillation

+4

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Showing 1-10 of 255
Basement Waterproofing FAQs, answered by experts

The most flood-resistant materials you can count on in a flood scenario are concrete, closed-cell insulation, foam insulation (also known as expandable foam), pressure-treated wood, marine-grade plywood, and ceramic tile. When a material is flood-resistant, it can withstand direct contact with floodwater for at least 72 hours without being significantly damaged.

Yes, usually you will need some kind of vapor barrier on the exterior walls when the framing is attached to concrete and masonry surfaces.

Yes, water coming up from the floor should be treated as an emergency. If you're unable to either identify or stop the source of the water on your own, contact an emergency plumber right away. In addition to harming your flooring, standing or pooled water can lead to water-damaged concrete.

Several types of insulation are effective for crawl spaces, with spray foam and rigid foam boards being two of the best options. Closed-cell spray foam insulation is a strong choice because it effectively repels moisture, resists biological growth, seals the air, and provides excellent thermal protection, especially in hard-to-reach areas. Rigid foam insulation boards are another excellent material as they insulate well, resist water damage, and will not settle over time like fiberglass or cellulose.

Whether to waterproof your basement from the interior or exterior depends on several factors, including your budget.

Exterior waterproofing is generally considered the superior method because it stops water at the source, preventing it from seeping into and damaging your basement walls. This approach offers the most protection, making it ideal if you use your basement for storage.

By contrast, interior waterproofing is often less expensive and requires less labor because the area is more accessible.

For maximum protection against water leakage and moisture, applying waterproofing measures to both the inside and outside is the best solution. However, if you must choose only one, stopping water from the outside is the most effective approach to preserve your foundation and prevent damage.

The Westminster, CO homeowners’ guide to basement waterproofing services

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