Montauk 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

Montauk Basement Waterproofing by Skilled Local Pros

Montauk Crawl Space Water and Basement Leak Solutions That Last

Stage 1 in Montauk: Slight dampness in basement after storms. Intervention cost: $8,000

Stage 2 in Montauk: Visible efflorescence, musty odors, foundation cracks. Intervention cost: $10,000

Stage 3 in Montauk: Active leaks, mold growth, structural damage. Intervention cost: $15,000

Most Montauk homeowners from Ditch Plains to Montauk Point call us at Stage 3. By then, their beachside properties have suffered serious damage from salt air and storm surge.

The ocean-facing foundations in Montauk deteriorate faster than anywhere else on Long Island. Where’s your Montauk home right now? ACM Basement Waterproofing can assess your current stage and stop progression with targeted basement waterproofing and foundation repair.

Earlier intervention in Montauk means exponentially lower costs. Find out your stage—free inspection available today.

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Preparing Your Montauk, NY Home

Montauk, NY Building Department
Address: 300 Pantigo Place, Suite 104, East Hampton, NY 11937
Phone: 631-324-4145
Hours: Monday – Friday, 8:30 am – 3:30 pm

Montauk, NY Links:
Town of East Hampton Building Department Website
Building Permit Owners Agreement
Building Permit Application and Instruction
Authorization of Entry

Expert Home Services in Montauk, NY

As you begin your project in Montauk, NY, we’ve put together a list of contractors to assist you. Please note that ACM does not endorse any of these businesses

Plumber
Montauk Plumbing & Heating LLC
213 Edgemere St, Montauk, NY 11954
631-668-8499

Electrician
MBI Plus Electric Inc
15 Railroad Ave #2, East Hampton, NY 11937
631-324-1237

Driveway Paving Contractor
Fifth Avenue Paving Inc
690 Montauk Hwy #1617, Bayport, NY 11705
631-666-1203

Landscaper
Groundworks Landscaping
530 Montauk Hwy, East Hampton, NY 11937
631-324-7373

Masonry
Hampton Hardscapes
489 Montauk Hwy, East Quogue, NY 11942
631-599-4014

Montauk Basement Waterproofing Customer Reviews

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

Your Montauk Home Demands Exceptional Protection

You didn’t choose Montauk for ordinary. Don’t settle for ordinary protection.

ACM delivers waterproofing worthy of Montauk properties. Basement solutions engineered for ocean proximity. Foundation repairs that withstand coastal conditions. Crawl space systems built for the point.
Montauk challenges require Montauk expertise.

Elite protection for elite properties. ACM Basement Waterproofing—call 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
*All financing is subject to credit approval. Your terms may vary. Payment options through Wisetack are provided by our lending partners. For example, a $5,500 purchase could cost $253.54 per month for 24 months, based on a 9.9% APR, or $1,833.33 per month for 3 months, based on a 0% APR. Offers range from 0 to 35.9% APR based on amount requested and creditworthiness. Not all merchants and lending partners participate in 0% interest programs. Terms range from 3 - 120 months and may vary based on merchant, lending partner, or transaction size. State interest rate caps may apply. No prepaid finance charges or participation fees. See additional terms at wisetack.com/faqs.
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