Arcola Mills is a historic house in the unincorporated community of Arcola, Minnesota, United States. Built in 1847, it is considered the third-oldest and largest all-wood-frame house still standing in Minnesota. It was the home of brothers Martin and John Mower, who established one of the first sawmills on the St. Croix River and the community around it. The house and the remnants of the nearby mill were listed on the National Register of Historic Places in 1980 as the John and Martin Mower House and Arcola Mill Site for having local significance in the themes of architecture, exploration/settlement, and industry. The property was nominated as an "excellent example" of Greek Revival architecture and for its association with the region's early settlement and lumber industry. The property n