Contact National Waterproofing Systems - Basement Waterproofing and Mold Removal Experts in NY, Suffolk and Nassau County Long Island, New York

Advanced Basement Foundation Waterproofing and Drainage Systems. Mold Removal and Remediation Experts Serving NY, Brooklyn, Bronx, Queens, Staten Island, Nassau and Suffolk County Long Island, New York.

Why Choose Us?

We Are Certified Master Waterproofers & Mold Remediators

Utilizing Today's Most Advanced Waterproofing Materials and Highly Developed Mold Remediation Products

Transferable Lifetime Warranty

Unsurpassed Quality and Workmanship

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FREE Humidex

Moisture

Control Unit Offer !

Service Area:
Queens | Staten Island | Bronx | Brooklyn | Suffolk & Nassau Counties

All Major Credit Cards Accepted and Financing Available

Contact National Waterproofing Systems

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For immediate assistance with your Basement Waterproofing, Mold Removal or Moisture Control needs, a free estimate and an onsite inspection please call

Toll Free: 1.888.460.SEAL (7325)

Local: 1.631.424.0200

Suffolk License #42795-H • NYC License #1254008 • Nassau License #H31018100

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“National Waterproofing is a company that I would gladly recommend to waterproof anyone’s basement because of the wonderful job they did for us. Being that we are neighbors the owner Michael volunteered to fix the leaks in our basement. He solved the problem for us! Their work was very neat and Michael was always accommodating. We are so thankful for what he did for us, as we don’t have to worry about getting water in our basement anymore.”

- Norman & Evelyn L.I. NY

National Waterproofing Systems provides waterproofing, mold removal and total moisture control solutions for a damp and wet basement. Our superior waterproofing and interior drainage systems will make your basement dry and free of mold. Services include certified mold removal and remediation, treatment & prevention to ensure your house and basement stay free of toxic black mold.