138 Irving Avenue is a 2 1/2 story, 5 bay, rectangular plan, eclectic, wood frame, residential building. Built c. 1920, the stucco and wood shingle-clad house has a side gable roof with paired front-facing cross gables, between which is a gabled dormer. Tudor elements include half-timbering on the second floor stucco surfaces, and multi-pane, leaded windows. Classicizing elements include the Ionic column-supported portico and the dentillated entablature at the second floor. This lot, along with its neighbors, was subdivided out of the former Elizabeth D. Hitch estate, one of a pair of large estates facing each other on Irving Avenue.