320 Warwick 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 house has a classicizing entablature, 6/1 windows, a one story, set back side porch, and wood shingle cladding on the upper floors. The brick first floor features a segmentally-arched entrance with elliptical fanlight and sidelights, flanked by bracket-supported box bays.