Industrial Lot FOR SALE -103 Main Street Ext, Harwich. This prime lot offers a rare opportunity for businesses and developers. Listed at $469,000, the property spans approximately 20,038 square feet (0.46 acres) and is one of the few industrial lots available in the area, making it a valuable asset in a competitive market. Positioned just West of the intersection of Queen Anne Road and Depot Street, this property is highly accessible and visible. Development Potential: As one of the few Mid Cape industrial lots left, this site offers numerous possibilities for industrial, commercial, or mixed-use development. Located outside ground water protection. The lot is wooded but could be cleared should a buyer wish.