Serving Connecticut, Westchester and Putnam Counties

$500 OFF

Any Full Perimeter Waterproofing System with Sump Pump

Cannot be combined with any other offer. Not valid for prior work, must be presented and redeemed at time of estimate.

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Connecticut Basement Systems BBB Business Review
Angies List SuperService Award 2016
Valley United Way
Bridgeport Regional Business Council
Connecticut Association of Realtors

CT's Basement Waterproofing, Finishing & Foundation Repair Contractor

Serving Connecticut & Westchester County, NY

Connecticut Basement Systems is your trusted expert for basement waterproofing, crawl space repair, basement finishing, and foundation repair. Using Patented, Warrantied Products, we provide permanent solutions for your home. Have a wet, flooded basement or crawl space? Tilted or bowing foundation walls? A basement you want to finish? We have a solution.

We proudly serve homeowners and businesses all throughout Connecticut & Westchester County, NY. This includes Stamford, Norwalk, West Hartford and all nearby areas. Call us today for a free inspection and no-obligation, cost estimate.

Recent Projects

Before and After

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Fully finished basement in East Berlin! Fully finished basement in East Berlin!

Fully finished basement in East Berlin!

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Basement Transformation in Yonkers, NY Basement Transformation in Yonkers, NY

Basement Transformation in Yonkers, NY

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Why Connecticut Homeowners Choose Us

Recognized Customer Service

30 Years of Experience

Awarded, Patented Products

Lifetime Warranties


Connecticut Basement Systems is dedicated to providing honest, quality work that completely satisfies our customers. Over the past thirty years, we have maintained an A+ rating with the Better Business Bureau. We have also received the BBB Torch Award for Marketplace Ethics three times. Eight of our team members won the Connecticut BBB Superior Service Award.

We solve your basement & foundation problems using our own proven, patented products. Our products are installed by skilled specialists and have a transferable, lifetime warranty. With ethics awards, quality recognition, 30 patents, 19 quality & innovation prizes and a history of dedicated customer service, you can feel good about hiring Connecticut Basement Systems to work in your home.

thousands of satisfied customers

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By Jennifer O.
Pleasantville, NY
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By Bill B.
Meriden, CT

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Connecticut Basement Systems has helped thousands of Connecticut homeowners over the years. It didn't matter if they had bulging, cracked foundation walls, a wet or flooded basement, or a moldy crawl space. We had the answer.

We know our basement & foundation systems work, but you don't have to take our word for it. Thousands of homeowners throughout Connecticut and Westchester County, NY have said the same thing. So if you live in Norwalk, Stamford, West Hartford or nearby, give us a call today for a free home inspection & price estimate.