The Duncan House is on the National Register of Historic Places and is a Protected Landmark. Its Georgian Colonial architecture was popular in River Oaks during World War II. The home is just like it was in 1949, except for the kitchen and a master suite in back. The downstairs has a large open foyer, living room, dining room, and library. The upstairs has 4 bedrooms, 3 1/2 baths, a sewing room, and gun room that serves as a linen closet. The grounds are spacious with plenty of walking area.