Riverhead Building Supply is a trusted lumber and building materials supplier in Northport, Long Island, NY, serving Suffolk and Nassau Counties for over 70 years. It is a full-service dealer offering windows, doors, roofing, siding, decking, drywall, hardware, power tools, and more. The store provides delivery services by flatbed, boom truck, and trucks with mounted forklifts. Customers include contractors, home builders, remodelers, and homeowners. The staff is knowledgeable, patient, and professional, providing helpful assistance and sometimes repair and installation services. Customers praise the well-organized store, fantastic product selection, and helpful yard staff who assist with selecting and loading materials.
