J. A. Belt Building

The John A. Belt Building is a historic commercial building located at 227 East Diamond Avenue in Gaithersburg, Montgomery County, Maryland.

Description and history
It was constructed in 1903, and consists of a two-story rectangular brick building. In the center of the east elevation parapet is raised half-lunette inscribed "1903" and underneath, "J.A. Belt." John A. Belt, was a well known and substantial entrepreneur in Montgomery County in the late 19th and early 20th century.

It was listed on the National Register of Historic Places on August 9, 1984.