The John Gilmore Riley House is a historic home in Tallahassee, Florida. It is located at 419 East Jefferson Street. On August 1, 1978, it was added to the U.S. National Register of Historic Places. John G. Riley was a prominent member of the African American community in Tallahassee. He was born a slave in 1857 and died a millionaire in 1954. Riley was the principal of the Lincoln Academy from 1892 1926 and which became Lincoln High School. The house, a vernacular wood framed home, was constructed in 1895 and remained in the family until 1970. Today it is known as the John G. Riley Center/Museum of African American History and Culture.