Keystone Building (Harrisburg, Pennsylvania)

The Keystone Building is a historic, American commercial building that is located in Harrisburg, Dauphin County, Pennsylvania.

It was added to the National Register of Historic Places in 1979.

History and architectural features
Built in 1875 as the State Printing Office, it is a six-story office building, plus basement that is seven bays wide and twelve bays deep. It is faced in granite on the first floor with brick above. It was remodeled in 1917, with the addition of a structural steel frame and twelve-inch reinforced floors.

It was added to the National Register of Historic Places in 1979.

This building is not to be confused with the Commonwealth Keystone Building, a nearby State Government office building completed in 2000.