Locations

Headquarters

Most of DSS activities are performed at the Defense Security Service headquarters, located on Marine Corps Base, Quantico, Va., right outside of the nation's capital in Washington, DC, at:

27130 Telegraph Rd.
Quantico, VA 22134
(571) 305-6751

Check the operating status of the Headquarters.

Check the operating status of Marine Corps Base, Quantico.

For other locations in the National Capital Region, check here for information on operating status.

Defense Industrial Security Clearance Office

The Defense Industrial Security Clearance Office (DISCO) is located on Fort George G. Meade, Md., at:

600 10th Street
Fort Meade, MD 20755

Check the operating status of DISCO.

Center for Development of Security Excellence

The Center for Development of Security Excellence (CDSE) is located in Linthicum, Md., at:

938 Elkridge Landing Road
Linthicum, MD 21090

In the event of inclement weather, or any other event that might require early dismissal from or closing of the CDSE building in Linthicum, MD, call (410) 865-3232.

Regional & Field Offices

DSS has four Regional Offices and 71 field offices across the nation.