At Core Construction Group LLC, we provide professional waterproofing services across New York City, serving Brooklyn, Manhattan, Queens, Bronx, and Staten Island, protecting buildings from water intrusion, structural damage, and long-term deterioration.

What We Offer

Basement Waterproofing

- Interior waterproofing systems

- Crack repair and sealing

- Moisture control and drainage solutions

Foundation Waterproofing

Façade & Exterior Waterproofing

- Exterior foundation sealing

- Protective coatings and membranes

- Water intrusion prevention

- Masonry sealing and coatings

- Brick and wall waterproofing

- Sealants and expansion joints

Roof & Surface Waterproofing

Signs You Need Waterproofing

- Flat roof waterproofing systems

- Deck and surface coatings

- Protective barrier installations

- Water leaks or damp walls

- Mold or mildew odors

- Cracks in foundation or walls

- Peeling paint or damaged finishes

- Basement flooding or moisture

Protect Your

Property & Investment

Professional waterproofing helps prevent water damage, extend building lifespan, protect interior finishes, maintain structural integrity, and reduce long-term repair costs.

We work on brownstones & townhouses, multi-family buildings, apartment buildings, and commercial properties throughout all five boroughs.