The Freedman's Bank Building, previously known as the Treasury Annex, is a historic office building located on the corner of Madison Place and Pennsylvania Avenue in Northwest Washington, D.C. in Washington, D.C. It sits on the east side of Lafayette Square, a public park on the north side of the White House, and across from the Treasury Building. The adjoining properties include the Howard T. Markey National Courts Building to the north and the former Riggs National Bank to the east.