Islip Terrace 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

Islip Terrace Basement Waterproofing Professionals at Work

Reliable Basement and Crawl Space Waterproofing in Islip Terrace

No one protects Islip Terrace basements like ACM Basement Waterproofing.

For decades, homeowners have trusted us for basement waterproofing, crawl space repair, and foundation repair built for Long Island’s soil and storms. From French drains to sump pumps and structural reinforcements, our solutions are proven to last.

Trust ACM to keep your Islip Terrace home safe, dry, and strong—starting today.

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Islip Terrace Basement Waterproofing Customer Reviews

“Great job! So far no more problems with water in the basement.” – Lorraine, Islip Terrace

Take a look at our testimonials page for reviews from customers from other towns.

Ready to Start Your Islip Terrace Project?

We know foundation repair can be daunting, but at ACM Basement Waterproofing, it doesn’t have to be. We offer more than a quick fix because we provide expert support, smart solutions, and a commitment to keeping your home safe for the future.

Islip Terrace, NY Municipal Building
Phone: (631) 595-3500
Email: commissioner-pd@islipny.gov
Location: 655 Main Street, Islip NY
Office Hours: Monday – Friday 8 AM – 4 PM

Islip Terrace, NY Links:
Islip NY
Islip, NY Planning and Development
Town of Islip Building and Development

Local Contractors to Make Your Vision a Reality

If you’re looking for local contractor support in Islip Terrace, here are a few options to consider. We want to help you get a head start on your other projects, though we do not endorse any outside contractors.

Plumber
Dashing Dan’s Plumbing & Heating Inc.
258 Higbie Ln, West Islip, NY 11795
631-587-5236

Electrician
Two Brothers Electrical
Deer Park Ave, Deer Park, NY 11729
631-964-6160

Driveway Paving Contractor
Royal Pavement Solutions
2 W Beech St, Islip, NY 11751
844-777-7924

Landscaper
P.J.R Landscaping & Tree Service Corp
335 N 3rd Ave, Bay Shore, NY 11706
631-994-4112

Masonry
Flawless Masonry
33 Ridge Rd, Smithtown, NY 11787
631-366-3512

Trusted Waterproofing in Islip Terrace

At ACM Basement Waterproofing, we believe in one thing: fixing problems at the source. No scare tactics. No temporary patch jobs. Just honest inspections and permanent solutions.

From basement waterproofing to crawl space repair and foundation repair, we’ve earned the trust of Islip Terrace homeowners through decades of dependable service.

If you’re ready for real peace of mind, call ACM today.

Protect Your Home Today

We make it simple, affordable, and stress-free — with guaranteed results.

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