NYC DCA 2006980-DCA · Licensed & Insured
Waterproofing Contractor in NYC
Basement, foundation, roof, and exterior waterproofing that stops leaks for good — for homeowners, property managers, and commercial buildings across Manhattan, Brooklyn, Queens, the Bronx & Staten Island.
Waterproofing Services in NYC
Hi Tech Contracting & Restoration Corp is Brooklyn’s best waterproofing contractor. Welcome! We are committed to giving our customers the best service and quality work possible. We have years of experience and a team of highly skilled professionals. We have the skills and tools to do the job right, whether you need to protect your home or business from water damage or want to make your property last longer and be more durable overall. We promise to keep your property safe and dry, and we’ll give you peace of mind by letting you know that it is.
We proudly serve Manhattan, Brooklyn, Queens, the Bronx, Staten Island, New Jersey, and Long Island.
718-510-6000
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— Waterproofing Specialties
Our Waterproofing Services in NYC
Seven core specialties, one licensed team — every leak diagnosed, quoted, and sealed for the long term.

Foundation Waterproofing
A long-lasting waterproof barrier that stops leaks and moisture from undermining your foundation.

Basement Waterproofing
Sump pumps, crack sealing, and drainage improvements to keep your basement dry and mold-free.

Roof Waterproofing
A durable barrier against rain, snow, and moisture that extends your roof’s lifespan.

Exterior Waterproofing
Waterproof coatings and drainage systems that protect your walls, foundation, and landscaping.

Crawl Space Waterproofing
Vapor barriers and proper ventilation to stop moisture buildup and protect indoor air quality.

Skylight Waterproofing
Inspecting, repairing, and resealing skylights to prevent leaks, stains, and structural damage.

Steps Waterproofing
Sealants and treatments that protect concrete, stone, and brick steps from cracking and erosion.
— More Options
We Also Offer
Waterproof Membrane Installation
Waterproof Caulking
Kitchen Waterproofing
Cinder Block Waterproofing
Liquid Waterproofing
Roof Deck Waterproofing
Balcony Waterproofing
Kemper Waterproofing
—Warning Signs
Signs You Need Waterproofing
Water damage gets worse — and more expensive — the longer it’s ignored. If any of these sound familiar, it’s time for a professional inspection.
- Damp, musty smell or visible mold in the basement
- Water stains on ceilings or walls after rain
- Cracks in your foundation or basement floor
- Standing water near your foundation after storms
- Peeling paint or efflorescence on exterior walls
— Questions
Waterproofing FAQs
Cost depends on the area being treated and the method used — sealants, drainage systems, or membrane installation. We provide a free inspection and written estimate before any work begins.
Professionally installed waterproofing systems typically last 10+ years with proper maintenance, though this varies by method and soil/drainage conditions.
A free inspection tells us whether you need a spot repair, a full waterproofing system, or both — we’ll walk you through the right option for your property and budget.
Yes — most waterproofing work, including interior basement systems, can be completed with minimal disruption while you continue living in the home.
Yes — we provide 24/7 emergency response for active leaks and flooding to limit damage before a permanent fix is scheduled.