Glen Arm, Maryland

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"Glen Arm" redirects here. For other uses, see Glenarm (disambiguation).
Glen Arm
Unincorporated community
Glen Arm is located in Maryland
Glen Arm
Glen Arm
Location within the state of Maryland
Coordinates: 39°27′12″N 76°29′40″W / 39.45333°N 76.49444°W / 39.45333; -76.49444Coordinates: 39°27′12″N 76°29′40″W / 39.45333°N 76.49444°W / 39.45333; -76.49444
Country  United States of America
State  Maryland
County Baltimore
Time zone Eastern (EST) (UTC-5)
 • Summer (DST) EDT (UTC-4)
ZIP codes 21057

Glen Arm is an unincorporated community in Baltimore County, Maryland, United States.[1]

Ravenshurst was listed on the National Register of Historic Places in 1978.[2]

Glen Arm was once the home to a Grumman aircraft manufacturing plant. Today, the building serves as the American headquarters of and a warehouse for Ulla Popken women's clothing.[3] Until 1958, this community was served by the Maryland and Pennsylvania Railroad at milepost 14.5. Glen Arm was home to American Attorney General, Charles Joseph Bonaparte, who was a great nephew of Napoleon, the French Emperor. While Attorney General, Charles Joseph Bonaparte created the Bureau of Investigation (now the FBI).


  1. ^ "Geographic Names Information System". Glen Arm (Populated Place). U.S. Geological Survey. 2009-01-29. 
  2. ^ "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-15. 
  3. ^ Larry Carson (Oct 14, 1997). "German clothing retailer to move to Grumman site; Glen Arm residents consulted about decision". The Sun - Baltimore, Md.