Capital Gallery is located between 6th and 7th Streets on Maryland Avenue, S.W, situated in the heart of the Federal agency headquarters core office area in the Southwest quadrant of Washington, DC, adjacent to the National Mall and national museums. The building offers premier visibility and identity and has direct access to the L'Enfant Plaza Metrorail station and Virginia Railway Express commuter platform, as well as convenient access to Interstate 395.  It is located less than 10 minutes from  Reagan National airport via automobile or Metrorail.

Capital Gallery features two towers - an 8-story East Tower and 10-story West Tower. This multi-tenant Class A office complex features a three-story main lobby atrium with a ground level retail arcade, large landscaped plazas and underground parking garage with approximately 468 spaces. The West Tower was expanded in 2006 and added 318,557 square feet to the complex.