One Dag Hammarskjöld Plaza is a skyscraper located at 885 Second Avenue in Midtown Manhattan, New York City. It is a 628-foot (191 m) tall skyscraper. It was designed by Emery Roth and developed by Lawrence Ruben. Named for Dag Hammarskjöld, it was completed in 1972 and has 49 floors. It has 750,000 square feet (70,000 m2) of floor area and is the 102nd tallest building in New York.