17th Street Plaza is a 438 ft (134 m) tall skyscraper in Denver, Colorado. It was completed in 1982 and has 32 floors, with a total area of 666,653-square-feet. It was designed by Skidmore, Owings & Merrill and Wendel Duchsherer Architects. It is currently (2012) the 11th tallest building in Denver. In 2009 the building was bought from J.P. Morgan for an estimated $135 million by HRPT Properties Trust.