National Historic Landmark · Washington, District of Columbia

Octagon, The

A listed building in Washington, District of Columbia, built 1799 in the Federal architecture style. Added to the National Register in 1966, and a National Historic Landmark.

National Historic LandmarkBuilt 1799Listed 1966Federal architecturePrivate unless stated
Octagon, The
Photo via Wikimedia Commons

The record

National Register of Historic Places
Property typeBuilding
Address1799 New York Ave., NW, Washington, DC
CountyDistrict of Columbia County
ListedOct 15, 1966
Reference number66000863
Built1799
ArchitectWilliam Thornton
StyleFederal architecture
DesignationsNational Historic Landmark
Contributing resources1 buildings
StandingYes

The nomination form, the document that argues why this place matters, is in the National Archives: Read the nomination ↗

Listing on the Register does not open the door. Unless a museum or park runs it, treat this as private property and see it from the sidewalk.

Where it is

Street1799 New York Ave., NW
Coordinates38.89635, -77.04150 · Directions ↗

Explore

Why you would stay

Map

OpenStreetMap

Map © OpenStreetMap contributors · Larger map ↗

Reference

Exists because it is true

Sources

Location, dates, type and contributing counts come from the National Park Service's National Register spatial data. Construction date, architect, style, photograph and encyclopedia link come from Wikidata and Wikimedia Commons, matched on reference number 66000863. Nothing here is transcribed by hand.