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Highlights
- Same-day response — a 2025 customer said they came the same day
- Sump pump install — a 2024 customer said a crew installed one
- Rain follow-up — a 2025 customer said Frank checked after a big rain
Rain King Waterproofing lists service areas on both sides of the New York and Connecticut line, from the Bronx and Westchester County, NY to Stamford, Greenwich and Bridgeport, CT. A 2024 customer said water was coming up through the basement floor, that Frank showed up the same day they called, and that a couple days later he had a crew at the house to install a sump pump. That 2024 customer said Frank followed up a few days later, when more rain came, to check that everything was dry, and it was. A 2025 customer said they used Frank to add a sump pump in the basement as well as a driveway drain. That 2025 customer called his crew respectful and fast, and said he followed up after a big rain to make sure everything was working. A 2025 customer with a stone foundation said it "leaked like a sieve," that Rain King came the same day, and that the job was finished without any problems or glitches. A 2024 customer wrote that "When you call Frank will answer" and called the business "A true mom and pop place."
Read the comments
Most recent comments
- 5.0Dec 16, 2025
We live in a house with a stone foundation it leaked like a sieve. We called Rain King they came the same day. They started the job and finished it with out any problems or glitches. We are very happy with Rain King and want to let the rest of the world know. If you have a water Issue Rain King Waterproofing is the company to call.
— Robert StanardView on Google Reviews ↗ - 5.0Mar 8, 2025
Frank was great to work with and I felt honest and reasonable. I used him to add a sump pump in my basement as well as a driveway drain. His crew was respectful, worked fast and did good quality work. He followed up after a big rain to make sure everything was working. I would definitely recommend and I'd work with him again.
— mauraView on Google Reviews ↗ - 5.0Jul 24, 2024
Frank is the man for the job! When you call Frank will answer, and probably have the issue diagnosed with a couple seconds of you trying to describe your problem. He will probably be at your place in the next few hours, and you will have your problem taken care of. A true mom and pop place, and that is the reason The Rain King has been around for as long as he has. Thanks Frank!
— Riley QuallsView on Google Reviews ↗ - 5.0Jan 18, 2024
With all the rain recently, we had water coming up through the basement floor - I was panicked but Frank showed up same day that I called and a couple days later had a crew at the house to install a sump pump. He followed up a few days after that when we had more rain to check that everything was dry - which it was. I'm thankful I found him and would recommend him to anybody.
— Craig SmithView on Google Reviews ↗
What does basement waterproofing cost in Greater Hartford?
Typical your area range for this kind of work, from regional averages — not a quote from Rain King Waterproofing - Stamford, CT. Use it to sanity-check bids, then get the real number in writing.
Not sure which you need? Start with an inspection — many reputable companies assess free, and independent assessments run up to $500.
The wall run getting the drain — a full 30×40 ft basement is about 140 ft.
Estimated range
$7,600 – $15,000
Typical waterproofing project around $11,300
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