251 Montrose Avenue is a 2 1/2 story, 5 bay, rectangular plan, brick and wood frame, Colonial Revival, residential building. The c. 1925 side gable-roofed building is characterized by a classicizing entablature with cornice returns, 8/1 windows on the second floor, tri-partite windows on the first floor flanking a Doric column-supported open portico, and a segmentally arched entrance with leaded fanlight and sidelights. The first floor is brick, and the upper floors are clad with weatherboard.