Contact Us


The McDermott Building
500 North Capitol Street, N.W.
Washington, DC 20001

T: +1 202 204 1450
F: +1 202 379 1490



From Ronald Reagan National (DCA) Airport

  • Take the GW (George Washington) Memorial Parkway North Exit 
  • Merge onto GW Parkway North 
  • Take the I-395 North Exit toward Washington, D.C. 
  • Follow signs for I-395 North 
  • Take exit 6 for I-395 North toward D Street Northwest/U.S. Senate/C Street Southwest/U.S. Capitol 
  • Take exit 9 for D Street, N.W. 
  • Turn right onto D Street, N.W. 
  • Take the first left onto First Street, N.W. 
  • Turn right onto F Street, N.W. 
  • Turn right onto North Capitol Street, N.W. 
  • Destination on right

From Washington Dulles (IAD) Airport

  • Take airport exit ramp onto Dulles Access Road / VA-267 East 
  • Merge onto I-66 East 
  • Merge onto US-50 East/Constitution Avenue 
  • Turn right onto Pennsylvania Avenue 
  • Turn left onto Constitution Avenue 
  • Take third left onto Louisiana Avenue 
  • Turn left onto North Capitol Street, N.W. 
  • Destination on left

From Baltimore Washington International (BWI) Airport

  • Head toward the Airport Exit on I-195 West 
  • Take exit 2B onto MD-295 South toward Washington, D.C. 
  • Take the Washington, D.C., exit onto US-50 West 
  • Continue on New York Avenue, N.E., toward Washington, D.C. 
  • Turn left onto North Capitol Street 
  • Continue Straight onto North Capitol Street 
  • Destination on right (corner of E Street, N.W.)

Metro Information

We are located a block west of “Union Station" metro stop (RED LINE). Please follow the signs to the Massachusetts Avenue exit. Take a right on Massachusetts Avenue and walk one block to the first intersection, North Capitol Street, N.W. Take a left on North Capitol Street and the building will be one block down on the right.

The following lines service the Union Station - Red.

Visit the Washington Metropolitan Area Transit Authority website at to view maps and detailed directions to the office.


Parking is available in the building. The Colonial Parking garage entrance is located on North Capitol Street in the alley between 500 North Capitol and the Phoenix Park Hotel.