The Jacob Shafer House is a historic farmhouse located in Town of Montgomery in Orange County, New York. It is located on Kaisertown Road roughly a quarter-mile south of NY 17K west of the village of Montgomery. The house was built about 1842, and is a two-story, three-bay, Greek Revival style frame dwelling with a 1+1⁄2-story wing. Also on the property are the contributing ruins of a barn complex and a stone lined well. It was built by Jacob Shafer, a prominent resident of the town.