Constitution Square in Washington, DC is a 2.5 million square foot (232,258 sq meter) mixed-used development containing multiple office buildings, over 1,000 apartments, a hotel, and retail space. It is located in central DC in the rapidly redeveloping NoMA neighbourhood. The first phase of this project delivers in 1Q 2010. The first residential units should be available in 3Q 2010.

Courtesy: Stonebridge Carras

Courtesy: LHB Communications
Check out this video of the development
http://www.constitutionsquaredc.com/