High Quality Content by WIKIPEDIA articles! Rainier Tower is a 31-storey 156.67 m (514.0 ft) skyscraper in the Metropolitan Tract of Seattle, Washington, at 1301 Fifth Avenue. It was designed by Minoru Yamasaki, who designed the World Trade Center in New York City as well as the IBM Building, which is on the corner across the street from Rainier Tower to the southeast. Its construction was completed in 1977.