The Buckingham House is located in downtown Norwich, on the south side of Main Street just east of the Otis Library. It is a -story brick structure, with a main block three bays wide, topped by a hip roof with a steep gable above what was originally the main entrance. The roof has extended eaves, which are adorned with modillion blocks A recessed wing extends to the left side, fronted by a single-story porch covered by a curving metal roof and supported by posts with open fretwork. The interior has been extensively altered, retaining only a small number of original features, including fireplaces.
