Halcyon House
Also known as Benjamin Stoddert House
Many listed buildings are private homes. Please enjoy them from the street.
About Halcyon House
Halcyon House, at 3400 Prospect St., NW., was added to the National Register of Historic Places on Mar 31, 1971. The Register lists it for its politics and architecture, at the state level. It describes its style as Georgian, as it does for 14 other District of Columbia listings. Seven more Register listings are within a quarter mile.
What it isHistoric building in Washington, D.C. From Wikidata (CC0). Read about it on Wikipedia ↗
PDFRead the original nominationThe form that put it on the Register, with its history, photos and a map · 49 MB · National Archives↗1787 to today
- 1787Built
- 1971Added to the National Register of Historic Places
- 2026On the Register for 55 years
Make it a walk: 5 landmarks in about 10 minutes
3400 Prospect St., NW., Washington · about 0.2 miles on foot, as the crow flies
19 more Register listings within half a mile
★ National Historic Landmark · D district · B building · S site. Each opens its own page.
Show the other 1
Georgian style, nearby
Other National Register listings within 25 miles described as Georgian.
Memories of Halcyon House
The record says what it is. Neighbors know what it means.
Your answer becomes a post in Town Square.
Questions about Halcyon House
Is Halcyon House on the National Register of Historic Places?
Yes. It was added on Mar 31, 1971 (Register number 71001002).
Is Halcyon House a National Historic Landmark?
No. It is on the National Register; District of Columbia has 75 National Historic Landmarks. The nearest is Healy Building, Georgetown University, 0.3 miles away.
Can you visit Halcyon House?
Our record doesn’t say whether it is open to visitors. Many listed buildings are private, so it may only be seen from the street.
Where can I read the history of Halcyon House?
In its National Register nomination, the form that put it on the Register: a 49 MB PDF at the National Archives, linked on this page.
Sources: National Park Service, National Register of Historic Places (05/22/2026) · National Archives catalog record 117692202 · Wikidata. Map tiles © OpenStreetMap contributors.