Inspiring wellness and productivity in the historic district. Office space flooded with natural light, 900 Sixteenth is a mixed-use trophy asset designed by world-renowned architect, Robert A.M. Stern. Prominently located one block north of the White House and along DC’s Sixteenth Street Historic District. Building amenities, including a state-of-the-art fitness center, sprawling terrace with views of the Washington Monument and White House contribute to wellness and productivity.