231 Warwick Avenue is a 2 1/2 story, 4 bay, rectangular plan, wood frame, Colonial Revival, residential building, facing Irving Terrace. Built c. 1920, the side gable, clapboard clad house is articulated by tri-partite windows flanking a fluted Doric column-supported portico, a mutule-supported entablature, corner pilasters and an entrance with leaded sidelights and transom. The Warwick Avenue facade is a five bay enclosed porch with a centered door.