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Top-Rated Foundation repair specialists in South Windham - Updated Nov 2026

Avatar for Connecticut Basement Systems, Inc.
Connecticut Basement Systems, Inc.
4.3(
589
)
Concrete Foundation - Repair

Serving South Windham, CT and surrounding areas

Approved

In business since 1987

Free estimates

Warranties offered

"Excellent, the service performed has always been done with efficiency and always on time. Their recommendations has provided additional mitigants to potential future issues and if a issue was risen they have always responded with a sense of urgency, Highly recommend."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+12

161 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for American Dry Basement Systems, LLC
American Dry Basement Systems, LLC
4.9(
118
)

Serving South Windham, CT and surrounding areas

Approved

In business since 1997

Free estimates

Credit card accepted

"So happy I shopped around before finding American Dry Basement Systems. Not only were they affordable, but were extremely knowledgeable and helped me make an informed decision about the integrity of my home's foundation."
Drainage Trench
Jackhammer
Mixing SuperCrete
Compress Wash Stones
Spreading SuperCrete

+7

Response time11 hrs
3 neighbors recently requested a quote
Recommended by66%of homeowners
Avatar for Groundworks
Groundworks
4.9(
13
)
Concrete Foundation - Repair

Serving South Windham, CT and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2025

Free estimates

Warranties offered

"Aaron Lenker add Corbin Gillichbauer of Groundworks leveled concrete walks around my corner lot in Montoursville Pa. They arrived around noon time and were finished about 5 1/2 hours later. They did their work very professionally. They did an excellent job. I would rate their work 5 of 5 stars."
Foundation
Foundation
Foundation
Concrete
Concrete

+16

385 neighbors recently requested a quote
Avatar for Eastern Waterproofing Co., Inc.
Eastern Waterproofing Co., Inc.
4.6(
40
)

Serving South Windham, CT and surrounding areas

Approved

In business since 1976

Free estimates

Warranties offered

"I would highly recommend Eastern Waterproofing..They qouted a fair price and they came when they said they would and were very efficient in their work. Big thanks to Art,George, and the rest of the crew.. Nice quality job and I would hire them again with no hesitation...Steve Shookus"
broken walk
repai
repair
addition
sidewalk and dumpster pad

+67

Response time2 days
6 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Budget Dry Waterproofing, Inc.
Budget Dry Waterproofing, Inc.
4.4(
240
)
Concrete Foundation - Repair

Serving South Windham, CT and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Rick did an amazing job fixing the crack in my basement foundation. The company is very professional, knowledgeable and affordable. I highly recommend this company to anyone needing waterproofing in their home."
Drain at base of bilco
going up on the wall
finished wall area
completed
finished sump pump area

+37

Response time1 day
143 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Advanced Basement Waterproofing LLC
Advanced Basement Waterproofing LLC
5.0(
5
)

Serving South 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

241 neighbors recently requested a quote
Avatar for Fogarty's Home Services
Fogarty's Home Services
5.0(
5
)

Serving South Windham, CT and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"From beginning to end the project couldn’t have gone any better. In deterring the scope of the project, they listened to all our concerns, and devised a comprehensive plan to meet all our needs, not just simply an insulation replacement. The actual work crew was very friendly and respectful of our house and property. We alway got notice when they would arrive and were always on time. They kept us informed every step of the way with pictures of their progress. They let us know early on of one potential electrical issue with recessed lighting and worked closely with our electrician a couple days later to resolve the issue prior to actual blowing in of the insulation. Overall, a first class operation all the way and we already feel the benefits."
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%
13 neighbors recently requested a quote
Sonart Construction Corp.
2.3(
7
)
Concrete Foundation - Repair

Serving South Windham, CT and surrounding areas

Approved

In business since 2013

Free estimates

Credit card accepted

Sonart Construction Corp. has over15 years of experience in providing a variety of exterior and interior renovation services. We provide services to Palm Beach, Broward and Miami-Dade Counties.. We specialize in Bathroom Remodeling, Kitchen Remodeling, Flooring and the list goes on. Customer satisfaction is what determines our success, which is why we take a hands-on approach and keep the customer informed through every phase of the project. When interacting with our company, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing, and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your renovation needs. Give us a call today!

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