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Two Union SquareDownload Project Factsheet

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Official Name Two Union Square
Type building
Status Completed
Country United States
State Washington
City Seattle
Street Address 601 Union Street (Map)
Building Function office
Structural Material composite
Start of Construction 1987
Completion 1989
Global Ranking #461 tallest in the World
Regional Ranking #96 tallest in North America
National Ranking #89 tallest in United States
City Ranking #3 tallest in Seattle
Height: Architectural 225.6 meter / 740 feet
Height: To Tip 242.8 meter / 797 feet
Floors Above Ground 56
Floors Below Ground 4
# of Elevators 26
# of Parking Spaces 913
Companies Involved
Architect NBBJ
Structural Engineer Magnusson Klemencic Associates
Main Contractor Turner Construction