Georgetown in Northwest Washington in Washington, District of Columbia — The American Northeast (Mid-Atlantic)
Halcyon House
Built in 1786 by Benjamin Stoddert, First Secretary of the Navy, who played a prominent role in having the capital situated here.
Halcyon House is listed on the National Register of Historic Places as a landmark which contributes to the cultural and architectural heritage of the District of Columbia.
Erected 1972.
Topics. This historical marker is listed in these topic lists: Architecture • Settlements & Settlers. A significant historical year for this entry is 1786.
Location. 38° 54.354′ N, 77° 4.083′ W. Marker is in Northwest Washington in Washington, District of Columbia. It is in Georgetown. It is on Prospect Street Northwest west of 34th Street Northwest, on the right when traveling east. Touch for map. Marker is at or near this postal address: 3400 Prospect Street Northwest, Washington DC 20007, United States of America. Touch for directions.
Regionally, this marker is in the Washington Metropolitan Area. It is also in the American Northeast, in the Upper South, in the Mid-Atlantic, in the Tidewater, and in the Chesapeake Bay Region. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere.
Other nearby markers. At least 8 other markers are within walking distance of this marker: Houses With A Prospect (a few steps from this marker); a different marker also named Halcyon House (within shouting distance of this marker); Quality Hill - The John Thomson Mason House (within shouting distance of this marker); Wormley School (about 300 feet away, measured in a direct line); Forrest Marbury House (about 400 feet away); Prospect House (about 400 feet away); Francis Scott Key Park a place to reflect (about 400 feet away); Francis Scott Key Bridge (about 400 feet away). Touch for a list and map of all markers in Northwest Washington.
Other markers no longer nearby. Francis Scott Key Park (was about 400 feet away but has been replaced with another marker now near it); The Star-Spangled Banner (was about 400 feet away but has been replaced with another marker now near it); Francis Scott Key (was about 400 feet away but has been replaced with another marker now near it).
Also see . . .
1. Halcyon House. (Submitted on February 12, 2018, by Devry Becker Jones of Washington, District of Columbia.)
2. Halcyon House, National Register of Historic Places Nomination Form.
Credits. This page was last revised on February 2, 2026. It was originally submitted on January 27, 2018. This page has been viewed 422 times since then and 19 times this year. Last updated on January 28, 2026. Photos: 1, 2. submitted on January 27, 2018, by Devry Becker Jones of Washington, District of Columbia.

