It was built in 1939–1940, and is one of a number of post offices in New York State designed by the Office of the Supervising Architect of the Treasury Department, Louis A. Simon.

It is a one-story, five bay building with a granite clad foundation, brick facades laid in common bond, and limestone trim in the Colonial Revival style.

It features a slate-covered hipped roof on the front section.

The interior features a 1940 fresco by artist James Michael Newell titled "Underground Railroad.

[1] Media related to United States Post Office (Dolgeville, New York) at Wikimedia Commons