Maps & Directions
1850 M Street NW,
Washington, District of Columbia 20036
Driving to Our Office
From Arlington, take I-66 E to the exit toward E St in Washington, D.C. Continue onto E Street Expressway, then onto E St NW. Use the left two lanes to turn left onto 18 th St NW. Turn left onto M St NW, and you will see us on the left.
From Annapolis, take US-50 W to New York Ave NW, and continue straight. Continue onto Mt. Vernon PL NW, and then stay straight to continue onto Massachusetts Ave NW. At Scott Circle NW, take the 4 th exit, and use any lane to make a slight right onto Rhode Island Ave NW. Use the left lane to make a slight right onto M St NW, and you will see us on the left.
United States Naval Observatory
As the nation’s capital, Washington, D.C. is one of the most dynamic and culturally diverse cities in the United States. The Washington, D.C. metropolitan area is the 7 th largest in the nation with about 5.8 million residents, though less than one million actually reside within the city itself. The city was founded in 1791 as the nation’s capital with lands donated from the states of Maryland and Virginia. The city is unique, in that it is not governed by any state and serves as its own independent district.
Historically, the economy of Washington, D.C. has been among the strongest in the nation, and there is currently a growing economy with a wide range of industries, including government, finance, healthcare, and tourism. The city sees about 18.9 million visitors annually.
Hours of Operation
Monday – Friday:
9:00 AM to 6:00 PM
Availability after hours by appointment only