Long Island Basement Waterproofing – Family Owned and Operated

Great River’s Superior Basement Waterproofing Business

Great River Crawl Space and Basement Water Problems Solved Fast

Truth #1: Water doesn’t need a flood to do damage.
Truth #2: A musty smell means moisture is already inside.
Truth #3: The longer you wait, the worse it gets.

In Great River, where homes sit close to the Great South Bay and groundwater runs high, moisture isn’t just common—it’s expected. We’ve seen it near Great River Road, close to the marina, and in houses that looked perfectly dry on the surface.

That’s why homeowners trust ACM Basement Waterproofing. We deliver real solutions—starting with expert basement waterproofing to keep water out and your home dry. If needed, we also provide crawl space repair and foundation repair to reinforce what’s underneath.

Don’t ignore the signs. Call ACM today and protect your Great River home—before truth #3 becomes your reality.

Great River Basement Waterproofing Customer Reviews

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

Getting Your Great River, NY Home Ready

With clear communication, expert guidance, and forward-thinking solutions, we ensure your basement stays dry and your foundation stays strong for the long haul. At ACM, your comfort, safety, and peace of mind are always our top priorities.

Great River, NY; Town of Islip Building Department
Phone: (631) 595-3500
Email: contactus@islipny.gov
Location: 655 Main Street, Islip NY
Office Hours: Monday, Wednesday, Friday from 9:00 AM – 3:30 PM

Great River, NY; Town of Islip, NY Links:
Town of Islip Building Department
Town of Islip; Building Division Permit Applications

Contractors for Your Great River Basin Projects

Below is a list of local contractors who may be able to assist with a variety of home improvement projects in Great River, NY. Whether you’re tackling renovations, repairs, or custom upgrades, this list is intended to help you get started. Please note that while ACM is glad to share these resources, we do not specifically endorse or guarantee the services of any contractor listed.

Plumber
Ray The Plumber
1560 Locust Ave, Bohemia, NY 11716
631-581-2500

Electrician
Marra Electric
1395-6 Lakeland Ave, Bohemia, NY 11716
631-772-8576

Driveway Paving Contractor
Top Craft Paving & Masonry
66 W Yaphank Rd, Medford, NY 11763
631-640-6641

Landscaper
Softwind Landscaping, Landscape Design & Masonry
311 Main St, Islip, NY 11751
631-553-5927

Masonry
Stone Escapes Masonry & Outdoor Design
1150 Lincoln Ave UNIT 6, Holbrook, NY 11741
631-582-2362

Stay Ahead of Storms in Great River

Heavy rains, rising groundwater, coastal storms—Great River homes face it all. But with ACM Basement Waterproofing, you don’t have to worry about what’s coming next.

We provide permanent basement waterproofing, crawl space repair, and foundation repair tailored to Long Island’s unique conditions.

Don’t wait for the next storm. Protect your Great River home today with ACM.