One Union Square Download PDF

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Height: Architectural 139 m / 456 ft
Height: To Tip 139 m / 456 ft
Floors Above Ground 36
Floors Below Ground 2
Tower GFA 61,086 m² / 657,524 ft²


Official Name One Union Square
Structure Type Building
Status Completed
Country United States
City Seattle
Street Address & Map 600 University Street
Building Function office
Structural Material steel
Completion 1981

Companies Involved

Architect TRA Architects
Structural Engineer Magnusson Klemencic Associates
Main Contractor Hoffman Construction Co. of Washington