397 Charlton Avenue is a 2 1/2 story, 5 bay, rectangular plan, Tudor, stucco-clad, residential building. Built c. 1915, the house is dominated by a slate-clad, side gable roof with front-facing cross gables. Architectural ornamentation consists of multiple leaded window groupings and cantilevered box bays. Cortland Kelsey, a New York lawyer, owned the house in the 1920s.