*The Angi rating for Basement Waterproofing companies in 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 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, 2026
Serving 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!"
+7
Serving 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"
+13
Serving Windham, CT and surrounding areas
Approved
Super Service Award Winner
In business since 2006
Free estimates
Emergency services offered
"Very friendly guys. They were understanding and worked with me and my partner for budgeting and getting our basement waterproof."
+37
Serving 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."
+67
Serving 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.
+1
Serving 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"
+16
Serving 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."
+22
Serving Windham, CT and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"Great job on basement insulation."
+5
Serving 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"
Serving 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."
From average costs to expert advice, get all the answers you need to get your job done.
Need to fix basement water problems or safeguard your home from damage in the future? Use this basement waterproofing cost guide to budget appropriately.
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