Building Address
777 North Capitol Street NE, Suite 300
Washington, DC 20002

Due to limited parking, COG strongly urges guests to use public transportation.

By Metrorail/Bus:
On Metrorail, guests should take the red line to Union Station. Make sure to take the north exit onto First Street, NE (When exiting the train, the north exit escalator is at the end of the platform). Turn right on to First Street. Walk two blocks and turn left onto G Place (not to be confused with G Street, which is a block before G Place). COG is located at the corner G Place and North Capitol Street. It is located directly across from the U.S. Government Printing Office. For the Metrorail trip planner, click here.

There are also a number of buses that stop near COG. For the Metrobus trip planner, click here. For the DC Circulator Bus route map, click here.

By Commuter Rail:
Guests can also take the MARC (Maryland Area Regional Commuter) Train Service and VRE (Virginia Railway Express) to Union Station. For the MARC home page, click here. For the VRE home page, click here.

By Bike:
There is a Capital Bikeshare station in front of the COG building on North Capitol Street. There is also a Capital Bikeshare station on F Street NW, just west of North Capitol Street. For more information go to

There is a bike rack near COG’s front entrance on 777 North Capitol Street NE. Long-term, free bicycle parking is available on the first floor of COG’s Parking Garage.  Enter through the First Street, NE, entrance. First Street, NE, has bike lanes and connects to the Metropolitan Branch Trail.   

For customized bicycling directions from your location, click here (Google Maps) and click on the bicycle tab. Other bike route planning resources include and      

By Car:
For custom driving directions from your location, click here (Google Maps).

COG's Parking Garage
The COG garage is operated by MarcParc. The parking garage entrance is on First Street, NE. Beginning April 1, 2018, the garage will only accept credit or debit cards as payment. If you do drive to COG and discover that our garage is full, we have a link below listing other garages in the immediate neighborhood. The lot with the greatest number of spaces is located at Union Station. For custom directions to COG's parking garage, click here (Google Maps).

Map to COG's Parking Garage:















(For a printable pdf of this map, click here).

Other Parking Garages in the area can be found by clicking here.