Saint Stephen Martyr Catholic Church is a Catholic parish church located at 2436 Pennsylvania Avenue NW in Washington, D.C., in the United States. The parish was founded on August 4, 1867, and the first church building consecrated and used for worship on December 27, 1868. This brick structure closed on July 15, 1959, and the current new building was consecrated and first used for worship on June 11, 1961. The church was a favorite of President John F. Kennedy.

Adolf Ludwig Cluss also known as Adolph Cluss was a German-born American immigrant who became one of the most important, influential and prolific architects in Washington, D.C., in the late 19th century, responsible for the design of numerous schools and other notable public buildings in the capital. Today, several of his buildings are still standing. He was also a City Engineer and a Building Inspector for the Board of Public Works.