High Quality Content by WIKIPEDIA articles! 901 New York Avenue NW is a high-rise Postmodern skyscraper located in Washington, D.C., in the United States. The structure was developed by Boston Properties in an effort to help to revitalize the Mount Vernon Square neighborhood, and was completed in 2005. It is located on a roughly triangular parcel bounded by New York Avenue NW, K Street NW, and 10th Street NW, and is north of the CityCenterDC mixed-use residential, office, and retail project.