346 Irving Avenue is a 2 1/2 story, 3 bay, rectangular plan, wood frame, Colonial Revival, residential building. The c. 1920, side gable-roofed house features weatherboard cladding, a segmentally-arched Doric column-supported portico flanked by curved multi-pane bay windows, a classicizing entablature, and a paneled pier-supported open side porch with mutule-supported entablature.