Constitution Center

The Constitution Center, formerly known as the David Nassif Building, is an office building located at 400 7th Street SW in Washington, D.C. It is 140 feet (43 m) high and has 10 floors. Covering an entire city block, it is the largest privately owned office building in Washington, D.C. Current tenants include the Federal Housing Finance Agency and the Office of the Comptroller of the Currency. As of February 2014, Constitution Center was worth $725.8 million, making it the most valuable taxable property in the city.