
Complete Water Damage & Structural Restoration
Winter weather in New York is brutal on your property. When melting snow, freeze-thaw cycles, or hidden plumbing leaks cause severe damage, you need more than a basic cleanup crew. Sani Building Corp specializes in complete interior and exterior water damage restoration, turning disaster zones back into structurally sound, beautifully finished spaces across NYC and Long Island.
Complete Water Damage & Structural Repair:

Winter moisture and freeze-thaw cycles cause severe wood rot on outdoor structures. We replace compromised decking and reinforce rotted joists to restore your deck's safety and structural integrity.
Exterior Deck & Patio Repair

Hidden plumbing leaks can quietly destroy the bones of your home. We completely remove rotted wood and expertly rebuild interior wall studs, beams, and subfloors compromised by flooding.
Interior Framing & Subfloor Repair

Eliminate noisy, unsafe stairs caused by water-logged wood. We expertly rebuild, reinforce, and replace water-damaged stair stringers and treads to return your staircase to a structurally sound condition.
Staircase & Stringer Repair

Once the standing water is gone, we handle the complete interior rebuild. From installing fresh drywall to replacing warped custom hardwood floors, we return your space to its original luxury finish.
Drywall & Hardwood Restoration

Stop destructive bathroom leaks at the source before they rot the floor below. We handle complete shower pan replacement, subfloor moisture repair, and install premium waterproof tile for a flawless finish.
Leaking Shower Pan Replacement

Protect your property from harsh New York weather. We replace water-logged exterior wood panels and apply heavy-duty weatherproofing sealants to prevent future moisture damage and wood rot.
Facade & Exterior Wood Restoration
Service Area
We provide commercial restoration services for buildings throughout Manhattan, Long Island City, Brooklyn, and Queens.
Detailed Damage Repair
Exterior Wood Rot & Winter Damage
Snow, ice, and constant moisture act as silent destroyers for your outdoor spaces. The winter freeze-thaw cycle literally splits wood fibers apart, leading to dangerous exterior wood rot on your backyard deck, front patio, and home facade. Our master carpenters don't just patch the problem—we handle complete rotted wood replacement and exterior deck repair to restore your property's safety, structural integrity, and curb appeal.
Interior Leaks & Structural Repair
Inside your home, hidden leaks can quietly destroy your home’s bones. From water-damaged interior framing and rotting subfloors to noisy stairs and a leaking shower pan, compromised wood threatens your entire house. We provide expert water extraction and cleanup, followed immediately by full structural repair.

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We Don't Just Dry It Out—We Rebuild It
Most "water damage" companies just set up fans and leave you with torn-up drywall. As a fully licensed General Contractor and top-rated water damage restoration company, we handle the entire project from demolition to the final coat of paint. Whether you need emergency water damage remediation in Brooklyn or full structural rebuilding in Manhattan, we deliver lasting results.

Why Choose Us for Water Damage Repair?
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Complete Structural Rebuilding: Unlike standard cleanup crews that just dry the area and leave, we are a fully licensed General Contractor. We handle the entire rebuild, from removing rotted wood to installing fresh drywall and custom flooring.
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Stopping Hidden Wood Rot: After harsh winter weather or plumbing leaks, trapped moisture silently destroys the bones of your home. We expertly locate and replace compromised wall framing, staircases, and exterior decking to ensure your property is structurally safe.
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Flawless Luxury Finishes: Your home shouldn't look like a construction zone forever. Our master carpenters and finishing experts seamlessly repair the damage, leaving you with a beautifully restored space that looks even better than before the leak.