About Two Union Square
Union Square is a complex of two skyscrapers located in downtown Seattle, Washington at Sixth Avenue between Union and University Streets. The complex is adjacent to Freeway Park. One Union Square is an aluminum clad 456 feet (139 m) tall skyscraper consisting of 36 floors. Construction of the building was completed in 1981. Construction on Two Union Square began in 1987 and was complete by 1989. The building, at a height of 740 feet (230 m), is the third tallest skyscraper in the Seattle skyline. The Seattle-based architectural firm NBBJ (Floyd Naramore, William Bain, Clifton Brady and Perry Johanson) designed Two Union Square, which was dedicated on 26 July 1989. Two Union Square has 56 floors, 1,126,428 sq ft (104,648.6 m) of rentable space, and an underground concourse connecting to the Seattle Hilton Hotel and shopping at Rainier Square.