National Historic Landmark · Gaithersburg, Maryland

Gaithersburg Latitude Observatory

A historic district in Gaithersburg, Maryland. Added to the National Register in 1985, and a National Historic Landmark.

Gaithersburg Latitude Observatory
Photo via Wikimedia Commons

The record

National Register of Historic Places
Property typeHistoric district
Address100 DeSellum Ave, Gaithersburg, MD
CountyMontgomery County
ListedJul 12, 1985
Reference number85001578
DesignationsNational Historic Landmark
Contributing resources1 buildings, 1 structures, 5 objects

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

A district listing covers the streets, not the doors. Walk it freely; the buildings inside are as private as they ever were.

Where it is

Street100 DeSellum Ave
Coordinates39.13671, -77.19878 · Directions ↗

Explore

Why you would stay

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 85001578. Nothing here is transcribed by hand.