City Lumber is a construction supply company and full-service lumberyard servicing the New York City metropolitan area, including Manhattan, Long Island, Westchester and parts of New Jersey.?Whether you need lumber, steel framing, drywall, insulation or other general building products, City Lumber is ready to help. We are a fourth-generation women-owned & family-owned business that is dedicated to providing dependable service to contractors so they can get the high-quality building materials they need when and where they need them.