Williams Township. Built in 1798 as a milking barn, this three-bedroom house features a beamed and vaulted two-story great room, Venetian plastering, stone walls, custom woodwork, wide-plank floors, and a sitting-room fireplace. All bedrooms are en-suite; the partly unfinished second floor has a suite with a private entrance. The 1.1-acre landscaped property includes a large walled courtyard, a pool with a patio, and an attached garage.