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Verified Reviews for Basement Waterproofing pros in North Windham, CT

*The Angi rating for Basement Waterproofing companies in North Windham, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

*The HomeAdvisor rating for Basement Waterproofing companies in North Windham, CT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Basement Waterproofing needs.

Last update on June 30, 2025

Find Basement waterproofing pros in North Windham

Avatar for American Dry Basement Systems, LLC
American Dry Basement Systems, LLC
4.9(
118
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving North Windham, CT and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"I had my basement waterproofed almost 3 years ago by them and I had no issues since then with the basement flooding regardless of how much it rains. I highly recommend using American Dry Basement!"
Drainage Trench
Jackhammer
Mixing SuperCrete
Compress Wash Stones
Spreading SuperCrete

+7

Response time11 hrs
7 neighbors recently requested a quote
Recommended by66%of homeowners
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Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
223
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving North Windham, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Excellent, very professional crew, installed a new sump pump quickly . Very personable, clear explanation of all work"
Finished basement in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT
Basement Finishing in CT

+13

Response time10 hrs
166 neighbors recently requested a quote
Recommended by90%of homeowners
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Avatar for Budget Dry Waterproofing, Inc.
Budget Dry Waterproofing, Inc.
4.4(
240
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving North Windham, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Budget Dry waterproofed my basement. They did an excellent job and they were great at following up to ensure that the job was done right."
Drain at base of bilco
going up on the wall
finished wall area
completed
finished sump pump area

+37

Response time1 day
140 neighbors recently requested a quote
Recommended by86%of homeowners
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Avatar for Eastern Waterproofing Co., Inc.
Eastern Waterproofing Co., Inc.
4.6(
40
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving North Windham, CT and surrounding areas

Approved

In business since 1976

Free estimates

Warranties offered

"Everyone was really good to work with at the beginning of the waterproofing to the very end. No complains about the completed Job. I have yet to see the system work because we just have not had Heavy rain over a Long period of time."
broken walk
repai
repair
addition
sidewalk and dumpster pad

+67

Response time2 days
22 neighbors recently requested a quote
Recommended by96%of homeowners
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Avatar for Advanced Basement Waterproofing LLC
Advanced Basement Waterproofing LLC
5.0(
5
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - Install

Serving North Windham, CT and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs.\nIt is our mission to provide excellent workmanship and complete customer satisfaction, from the start to the completion of a project.\nIn order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer \nin a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job.

Knell walls
Knee Walls
After
Before
Concrete Work

+1

228 neighbors recently requested a quote
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Avatar for Groundworks
Groundworks
5.0(
12
)
Foundation, Basement or Crawlspace - Waterproofing / EncapsulationBasement Drainage Channels - InstallBasement Drainage Channels - Repair

Serving North Windham, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

"Chuck, Alex and Naki did a great job. Lots of attention to detail. Walked me me the whole process so I would feel comfortable"
Foundation
Foundation
Foundation
Concrete
Concrete

+16

525 neighbors recently requested a quote
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Avatar for Eco Energy Solutions, LLC
Eco Energy Solutions, LLC
3.5(
25
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving North Windham, CT and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"I was pleased with the work done. The technicians were courteous and the foreman explained each step as he went along. The cleanup was excellent."
Before and After
Insulating Knee Wall
Before
Moldy Insulation
Before

+22

Response time1 day
Recommended by92%of homeowners
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Avatar for Fogarty's Home Services
Fogarty's Home Services
5.0(
4
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving North Windham, CT and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Great job on basement insulation."
The finished basement!
We now are a National Radon Defense authorized dealer!
Our staff at a recent trade event in Hartford, CT
Some of our production teams!
Before and After, Total Basement Finishing

+5

Response time10 hrs
Response rate100%
11 neighbors recently requested a quote
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Avatar for New London Home Improvements LLC
New London Home Improvements LLC
5.0(
2
)
Foundation, Basement or Crawlspace - Waterproofing / Encapsulation

Serving North Windham, CT and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

"We had a leak in our foundation that flooded our finished basement newlondonhomeimprovements came to our property and took a look at what we had going on. They did there inspection and found a solution for the issue. They came out dug the out side of the foundation found the issues with our foundation and then sealed our foundation with a drainage system Now our basement is completely dry thanks again newlondonhomeimprovements"
3 neighbors recently requested a quote
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Avatar for Cowan Family Plumbing LLC
Cowan Family Plumbing LLC
5.0(
7
)
Basement Drainage Channels - Install

Serving North Windham, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"He came over and did the rough-in for finishing my basement. Took the time to think about what was the most logical things need for me as a homeowner (access to pipes, shut off valves, hook up locations, etc..) very professional and showed quality work."
Bathroom Install
Bathroom Install
Master Water Conditioning System Install
Master Water Conditioning System Install
Response time4 days
Response rate100%
11 neighbors recently requested a quote
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...
Showing 1-10 of 68
Basement Waterproofing questions, answered by experts

Yes. Water can penetrate through a concrete foundation wall. This can happen whether or not you have cracks, as concrete is a porous material. You’ll want to take steps to waterproof your basement or crawl space.

Access to commercial-grade products and equipment, ensuring thorough coverage and long-lasting protection.

A crawl space can be as little as 42 inches below the grade of your house, but this is not always recommended in flood-prone areas. At a minimum, there must be at least 16 inches of clearance between the ground and the floor joists to access the space in an emergency.

Crawl spaces are the more desirable option overall because they provide additional space for storage and utilities, but they are more expensive to install and maintain. Slab foundations are considered a better option in warmer climates where the depth of the frost line isn’t an issue because they’re more affordable, but crawl spaces are better in areas where the frost line is deep or where flooding can be an issue.

Yes, you can add a bathroom to an unfinished basement, but you’ll want to take proper precautions if doing so. As with any bathroom addition, you’ll need to make sure that it’s approved by local building authorities first. With unfinished basements, you especially need to keep an eye on proper ventilation practices.

The North Windham, CT homeowners’ guide to basement waterproofing services

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

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