National Historic Landmark · Washington, District of Columbia
Sewall-Belmont House National Historic Site
A listed building in Washington, District of Columbia, built 2016. Added to the National Register in 1972, and a National Historic Landmark.

The record
| Property type | Building |
| Address | 144 Constitution Ave., NE., Washington, DC |
| County | District of Columbia County |
| Listed | Jun 16, 1972 |
| Reference number | 72001432 |
| Built | 2016 |
| Designations | National Historic Landmark |
| Contributing resources | 1 buildings |
| Standing | Yes |
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
| Street | 144 Constitution Ave., NE. |
| Coordinates | 38.89226, -77.00377 · Directions ↗ |
Explore
Why you would stay
Map
Map © OpenStreetMap contributors · Larger map ↗
Nearby in District of Columbia County
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 72001432. Nothing here is transcribed by hand.
Register actions
NPS weekly list| Sep 5, 2025 | Additional documentation approved |



