Posted on Google Linda WeissTrustindex verifies that the original source of the review is Google. 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!Posted on Google rose smithTrustindex verifies that the original source of the review is Google. 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.Posted on Google Craig TodaroTrustindex verifies that the original source of the review is Google. 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.Posted on Google Linda RussoTrustindex verifies that the original source of the review is Google. 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.Posted on Google Maria LacosteTrustindex verifies that the original source of the review is Google. 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.Posted on Google William RothsteinTrustindex verifies that the original source of the review is Google. 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.Posted on Google Links2282Trustindex verifies that the original source of the review is Google. 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.Posted on Google Peter WebbTrustindex verifies that the original source of the review is Google. 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
Posted on Google Linda WeissTrustindex verifies that the original source of the review is Google. 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!Posted on Google rose smithTrustindex verifies that the original source of the review is Google. 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.Posted on Google Craig TodaroTrustindex verifies that the original source of the review is Google. 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.Posted on Google Linda RussoTrustindex verifies that the original source of the review is Google. 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.Posted on Google Maria LacosteTrustindex verifies that the original source of the review is Google. 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.Posted on Google William RothsteinTrustindex verifies that the original source of the review is Google. 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.Posted on Google Links2282Trustindex verifies that the original source of the review is Google. 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.Posted on Google Peter WebbTrustindex verifies that the original source of the review is Google. 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
Water problems often start small — a little seepage here, a few cracks there — but they never stay small for long. Over time, moisture can erode your foundation, invite mold into your living space, and compromise the structural integrity of your Amityville home. At ACM, serving Amityville homeowners, we specialize in permanent solutions, from full basement waterproofing systems to crawl space encapsulation and foundation stabilization.
Our goal is simple: stop water at the source and protect your home for years to come. If you’re noticing signs of trouble, don’t wait until minor issues turn into major repairs. Get in touch with ACM serving Amityville today, and let’s build a drier, stronger foundation for your future.
Customer reviews from Amityville coming soon! In the meantime, take a look at our testimonials page for reviews from customers from other towns.
In Amity Harbor, basement water problems sometimes appear years after a home seemed perfectly dry. Nearby construction, changes in neighboring drainage, or aging foundation materials can shift how water moves through the soil. What worked fine for a decade suddenly doesn’t.
ACM Basement Waterproofing installs interior waterproofing systems designed to manage groundwater no matter how conditions change. Perimeter French drains capture water at the foundation edge, channeling it to sump pumps that remove it before it spreads across the floor. Crack repairs and interior drainage channels address specific entry points. The result is a basement in Amity Harbor that stays dry whether the water table rises, drainage patterns shift, or the next heavy rain arrives.
Crawl spaces in Amity Harbor sometimes go years without anyone looking inside. The access is awkward, there’s no reason to go down there, and problems develop quietly. By the time homeowners notice something, soft spots in the floor, a persistent smell, higher humidity indoors, moisture has often been sitting beneath the house for a long time.
ACM provides crawl space waterproofing in Amity Harbor focused on drainage and water removal. Crawl space drains collect water at ground level, and sump systems pump it out from under the home. Managing moisture at its source protects floor joists and subfloor framing from the long-term effects of dampness, and reduces the humidity load that works its way into the living space above.
Foundation cracks in Amity Harbor basements aren’t always stable. Some cracks stay the same size for years. Others grow slowly, widening a little more each season as soil pressure continues pushing against the wall. Knowing the difference matters for deciding how to respond.
ACM specializes in foundation repair for Amity Harbor homeowners, using carbon fiber reinforcement systems to stabilize walls under active pressure. Carbon fiber strips bond directly to the foundation wall, stopping further inward movement and restoring structural integrity. For homeowners uncertain whether a crack is active or stable, ACM’s assessment identifies what the wall is doing and what it needs. Pairing foundation repair with waterproofing also reduces the water-saturated soil pressure that drives wall movement in the first place.
At ACM Basement Waterproofing, we make foundation repair a hassle free experience. We don’t just fix your basement; we work alongside you, offering clear guidance and innovative solutions to protect your home for the long haul. Your peace of mind is our top priority.
Amityville Building Department
Phone: 631-691-1909
Fax: 631-598-0363
Location: 21 Ireland Place
Amityville, NY 11701
Office Hours: M-F 8am – 4pm
Amityville Links:
Amityville Building Department
Amityville Village
Here’s a list of contractors who could assist with your home projects in Amityville. Please note that while we provide this information for reference, ACM does not officially endorse any of these contractors.
Plumber
Chivalry Plumbing & Heating
5620 Old Sunrise Hwy, Massapequa, NY 11758
516-726-4275
Electrician
Gem’s Electrical Contracting LLC.
385 NY-109 box 1336, West Babylon, NY 11704
516-474-5507
Driveway Paving Contractor
Summit Paving & Masonry
30 Kelsey Ave, Huntington Station, NY 11746
631-464-7054
Landscaper
Genstar Masonry and Landscaping
5340A Merrick Rd, Massapequa, NY 11758
516-902-0869
Masonry
Genstar Masonry and Landscaping
5340A Merrick Rd, Massapequa, NY 11758
516-902-0869
Your home is likely the biggest investment you’ll ever make — and protecting it starts from the ground up. ACM has spent decades helping Amityville residents safeguard their homes with expert basement waterproofing, crawl space repair, and foundation services. Reach out today to schedule a no-pressure inspection with one of our experienced specialists in Amityville. We’ll help you understand the risks, the solutions, and the smartest way to protect your investment for the future.
We make it simple, affordable, and stress-free — with guaranteed results.
