National Historic Landmark · Washington, District of Columbia
Old Naval Observatory
A listed building in Washington, District of Columbia, built 1843. Added to the National Register in 1966, and a National Historic Landmark.
The record
| Property type | Building |
| Address | 23rd and E Sts., NW, Washington, DC |
| County | District of Columbia County |
| Listed | Oct 15, 1966 |
| Reference number | 66000864 |
| Built | 1843 |
| 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 | 23rd and E Sts., NW |
| Coordinates | 38.89502, -77.05145 · 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 66000864. Nothing here is transcribed by hand.