321 Hartford Road is a 2 1/2 story, 3 bay, rectangular plan, Colonial Revival, wood frame residential building with stone cladding on its facade. The house was built c. 1935, after the subdivision of the property at 329 Hartford Road. The wood shingle and stone-clad house features a slate-clad side-gable roof with front-facing cross gable, gabled dormers, heavily moulded window and door surrounds and a Doric column-supported, open pedimented portico. The entrance surround has a leaded fanlight and sidelights.