KNS Building Restoration is a New York City–based contractor specializing in façade restoration, roofing, waterproofing, and exterior envelope systems.

We deliver technically complex work on landmark, institutional, and commercial buildings, combining craftsmanship with disciplined execution. Trusted by leading owners and consultants, KNS protects the structures that define the city.

Our expertise spans masonry, roofing, waterproofing, terra cotta, custom metal, structural steel, and rainscreen systems. Trusted by cultural institutions, historical landmarks, and leading developers, KNS combines craftsmanship, engineering, and sustainable practices to ensure restoration solutions built to last.

KNS Building Restoration

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