Williamsport Armory is a historic National Guard armory

Armory (military)

An armory or armoury is a place where arms and ammunition are made, maintained and repaired, stored, issued to authorized users, or any combination of those...

 located at Williamsport

Williamsport, Pennsylvania

Williamsport is a city in and the county seat of Lycoming County, Pennsylvania in the United States. In 2009, the population was estimated at 29,304...

, Lycoming County, Pennsylvania

Lycoming County, Pennsylvania

-Appalachian Mountains and Allegheny Plateau:Lycoming County is divided between the Appalachian Mountains in the south, the dissected Allegheny Plateau in the north and east, and the valley of the West Branch Susquehanna River between these.-West Branch Susquehanna River:The West Branch of the...

. It consists of a main armory building and separate auxiliary building. The main armory building has a two-story , brick administration section in the Art Deco

Art Deco

Art deco , or deco, is an eclectic artistic and design style that began in Paris in the 1920s and flourished internationally throughout the 1930s, into the World War II era. The style influenced all areas of design, including architecture and interior design, industrial design, fashion and...

 style, with an attached drill hall, taking a "T"-shaped plan. The drill hall was built in 1937. The auxiliary building was built in 1927. It consists of a 1 1/2-story stable with an attached 1-story gun shed.

It was added to the National Register of Historic Places

National Register of Historic Places

The National Register of Historic Places is the United States government's official list of districts, sites, buildings, structures, and objects deemed worthy of preservation...

in 1991.