Stewart Manor Basement Waterproofing

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Long Island Chooses Us

Linda Weiss

We feel very fortunate to have found this company. I met with Mike regarding leaks in the basement. He assessed the entire house, gave me options and clearly explained the process. Everyone from Mike, to the secretary in the office to the workers were absolutely amazing. They did the work as promised, gave us a reasonable price, and left the place immaculate. We could not be happier with the results! This is a great family owned business. You can’t go wrong!

rose smith

The work was done with the utmost professionalism and competence. The service representative was very thorough in examining the dehumidifier, air purifier and sump pump and provided any service needed including draining the pump.

Craig Todaro

Mark took it upon himself to come to my home and examine my issue himself. He is knowledgeable not only in basement waterproofing, but also in land grading, excavating and several other adjacent topics. While it was concluded my issue was not foundation oriented, he did not hesitate to propose several other creative ideas to help address my issue. He has a great disposition, and I would not hesitate to recommend his services to others.

Linda Russo

I bought my house 24 years ago, and for 24 years I lived with water coming in to my finished basement. A few years back I hired another company to put in a French Drain System which never worked. As the storms got worse the water in my basement increased. Because of my previous experience I was hesitant to hire another company until I read about ACM and met Mark who was highly recommended by my Home Service Company. Mark spent about 2 hours explaining the process, and what was needed. In February 2025 ACM put a extensive French Drain System which included taking down the sheet rock walls, demoing tile and placing a membrane along the whole perimeter of the drain system. All of this work was completed in 3 days exactly what Mark said. The guys were professional, polite, and best of all they were careful to save my Radiant Heating System which was under the tile. Since the French Drain System was placed I have not had 1 drop of water coming into my basement. I am very grateful to Mark's ACM Company, and was able to refinish my basement without fear of water damage. I highly recommend ACM Basement Water Proofing to all who are having water problems with their basement.

Maria Lacoste

ACM Basement Waterproofing did an excellent job in my basement, no more water intrusion. The job was handled professionally and on time. I am happy to recommend them.

William Rothstein

I chose ACM because of their "Best of Long Island" award, and I'm glad I did. Mark's crew (led by Joe) installed an interior French drain and a sump pump in our basement. Six months later, we've had no problems with water. These guys know what they're doing.

Links2282

My wife and I would like to say thank you to Mark and his team for their excellent work installing a French Drain in our finished basement. For years we had to worry about flooding if we got a large amount of rain in a short time. The entire staff was totally professional. knowledgeable, competent and efficient. They were clean and caring and after each day they protected the whole worksite. Without a doubt, we would recommend them for all your basement waterproofing needs.

Peter Webb

I called acm after finding water in the basement. Mark answered the call and quickly helped diagnose the issue. He guided me to check baseboard and sure enough a broken valve was causing this leak. It's good to find someone to help a homeowner without rushing to take their money. It's good to find a honest business man

Basement Waterproofing Services in Stewart Manor You Can Trust

Stewart Manor Wet Crawl Space and Basement Water Issues Repaired

If you live in Stewart Manor, chances are you’ve heard a neighbor mention a damp basement—or maybe you’ve dealt with one yourself. The truth is, in older homes along Covert Avenue, Salisbury Parkway, and throughout the village, basement moisture is a common issue.

And it’s not just about the inconvenience. That persistent dampness can lead to mold, air quality issues, and long-term damage to your foundation if left untreated.

That’s where ACM Basement Waterproofing comes in. We specialize in keeping basements dry—real basement waterproofing that solves the problem at the source. We also offer crawl space repair and foundation repair when those areas need attention too.

If something feels off—musty smells, damp floors, or visible cracks—it’s worth checking before it gets worse. Call ACM and protect your Stewart Manor home the way your neighbors already are.

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Stewart Manor Basement Waterproofing Customer Reviews

Customer reviews from Stewart Manor coming soon! In the meantime, take a look at our testimonials page for reviews from customers from other towns.

Worried about that smell in your Stewart Manor basement? Wondering if mold is spreading through the vents? Concerned what your kids are breathing every day?

ACM eliminates the source. Professional basement waterproofing, crawl space repair, and foundation repair protect your family’s health from the ground up. Teams near you in Stewart Manor mean faster response when air quality matters. One call starts cleaner air today.

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*50% Off Materials Discount applicable to new projects over $10,000
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