 The right side of the porch on the main facade has been enclosed, and the supports on the left portion are replacement Colonial Revival columns.The North Vassalboro Manufacturing Woolen Company was founded in 1836, and built this house in 1851 for Thomas Lang, son of the founder and the overseeing agent for the operation.The house was sold by the mill ownership in 1955, and served for a time as a nursing home before becoming a private residence.