Stop leaks permanently. Apex Property Services provides expert waterproofing for basements, foundations, facades, and building envelopes across all 5 NYC boroughs and Nassau County. Licensed, insured, and trusted since 1995. Emergency waterproofing available 24/7.
Water infiltration is the #1 cause of structural damage in NYC buildings. Apex Property Services identifies every entry point and applies the right waterproofing system for lasting results.
Basement waterproofing NYC (560/mo). Interior drainage systems, exterior membrane application, crack injection, and sump pump installation. We stop basement flooding permanently in Queens, Brooklyn, Manhattan, and all boroughs.
Foundation waterproofing NYC (190/mo). Exterior excavation and membrane application, interior drainage board systems, and foundation crack repair. Protects your building's structural integrity from water damage.
Exterior waterproofing contractor NYC (200/mo). Elastomeric coatings, clear penetrating sealers, and building envelope waterproofing. Stops water infiltration through facade, parapets, and window perimeters.
Emergency waterproofing NYC (140/mo). Same-day response to active leaks, storm damage, and sudden water infiltration. Available 24/7 for waterproofing emergencies across all NYC boroughs.
Leaking basement repair NYC (280/mo). We diagnose the source of every leak — through walls, floor slab, cove joint, or window wells — and apply targeted repairs that last. All NYC ZIP codes served.
Waterproofing contractor Long Island (160/mo). Full waterproofing services throughout Nassau County — basement, foundation, and exterior waterproofing for residential and commercial properties.
Waterproofing costs in NYC vary by scope. Interior basement waterproofing systems typically run $5,000–$15,000. Exterior foundation waterproofing with excavation ranges $8,000–$25,000+. Facade elastomeric coating runs $3–$8 per sq ft. Free estimates available — call (516) 515-1951.
Yes. Apex Property Services is available 24/7 for waterproofing emergencies. Active leak, flooding basement, or sudden water infiltration — call (516) 515-1951 for same-day emergency response across all 5 boroughs.
Quality waterproofing systems last 10–25 years. Interior drainage systems with sump pumps may last indefinitely with maintenance. Elastomeric coatings typically last 10–15 years. Proper surface preparation is key to longevity.
Depends on the water source. Hydrostatic pressure requires interior drainage and sump pump. Surface water through cracks needs crack injection and exterior membrane. We assess each situation individually — call for a free evaluation.
Free estimates. Emergency response available. All 5 boroughs and Nassau County.
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