Rahmann Contracting, founded in 2003 and based in Brooklyn, NY, provides residential and commercial construction, renovation, and masonry restoration across New York City’s five boroughs. The firm specializes in exterior restoration, including brownstone and facade restoration; cornice repair and rebuilds; brick pointing, bricklaying, and replacement; stucco repair; waterproofing; concrete repair and sidewalks; painting and power washing; metal work; roofing and skylight repair; and window and door replacement. Services also include color matching for limestone, brownstone, and bluestone to preserve architectural character on historic and lan