Octagon House, 1799 (1741) New York Avenue, Northwest, Washington, District of Columbia, DC
Location of the signing of the Treaty of Ghent.
2004 Charles E. Peterson Prize, First Place
Significance: Excellent and innovative example of Federal style domestic architecture. Served as Executive Mansion for a year after the British burned the White House in 1814. Treaty of Ghent signed in circular room on second floor. Designed by Thornton, original designer of the U.S. Capitol.
Unprocessed Field note material exists for this structure: N989
Survey number: HABS DC-25
Building/structure dates: 1798-1800 Initial Construction
Building/structure dates: ca. 1825 Subsequent Work
National Register of Historic Places NRIS Number: 66000863