Simon N.
8/22/2025
After meeting with three different basement waterproofing companies to compare plans and pricing, we ultimately chose Keller Waterproofing. While they were the most expensive option, they worked...
Keller Waterproofing
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367 Prospect St
Cambridge, MA 02139
Keller Waterproofing is a family-owned and operated business based in Cambridge, MA, specializing in basement waterproofing, foundation repair, drainage, and masonry services. Serving New England since 1972, they are committed to providing high-quality workmanship and responsive service to both residential and commercial customers.
The company offers a range of waterproofing solutions, including exterior and interior systems, as well as foundation repair options such as stone foundation repairs and wall replacements. With a focus on transforming damp and leaky basements into dry, usable spaces, Keller Waterproofing guarantees a lifetime warranty on their systems, ensuring customer satisfaction and trust.
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Reviews
5.017 reviews
Karen R.
6/12/2024
This is exactly how all small businesses should operate. Friendly, responsive, expert in their work, and 100% guaranteed. We could not be happier. And are planning to have them do a second...
Friedrich W.
9/4/2024
Excellent work on time at fair prices. Highly recommend. Professional attitude, friendly crew always on time and never a complaint 5* five stars
Harry F.
2/14/2023
The basement in my duplex home in Bridgewater was always damp or wet. Keller did a superb job installing sub-floor drains and a new sump pump, as well as outside work to change my downspouts so...
B F.
5/2/2025
We had basement water problems for years that were only partially addressed by an amateur, jerry-rigged sump pump system. Last year we finally decided to fix the problem and talked with three...
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