Builders FirstSource is the nation's largest building materials supplier. Our Mahopac NY Lumber Yard proudly serves builders, contractors & remodelers in Mahopac and surrounding Hudson Valley NY Area with their building supply & construction needs. This facility offers the following building supplies & services: Lumber and Building Materials, Trusses, Wall Panels and Components, Doors & Millwork, Windows, Design Center & Showroom, Business Center, Pro Retail Store, Customer Pick Up | Will Call, Mill Shop. Visit us today to discover why we are known as builders' first choice!
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