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Height: Architectural 201.2 m / 660 ft
Height: To Tip 201.2 m / 660 ft
Floors Above Ground 43
Floors Below Ground 9
# of Elevators 17
Tower GFA 70,745 m² / 761,493 ft²
# of Hotel Rooms 184


Official Name F5 Tower
Other Names 5th & Columbia Tower, The Mark
Structure Type Building
Status Completed
Country United States
City Seattle
Street Address & Map 811 Fifth Avenue
Postal Code 98104
Building Function office / hotel
Structural Material composite
  • Core: Reinforced Concrete
  • Columns: Steel
  • Floor Spanning: Steel
Energy Label LEED Gold
Proposed 2007
Construction Start 2014
Completion 2017
Official Website Fifth & Columbia Tower
Rankings Click arrows to view the next taller/shorter buildings
Regional Ranking #229 Tallest in North America
City Ranking #5 Tallest in Seattle

Companies Involved

Design ZGF Architects LLP
Structural Engineer
Design Arup
MEP Engineer
Design SYSKA Hennessy Group
Main Contractor Turner Construction Company
Material Supplier
• Cladding Harmon, Inc.
• Elevator KONE

Global News

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1 Dec 2014 – After being delayed for several years because of…

Seattle Skyscraper Project Announces Hotel Tenant
14 Feb 2013 – SLS Hotels, owned by Los Angeles hospitality…

Stalled Skyscraper Back On a Schedule
23 Jan 2013 – Construction of a stalled 660-foot (200-meter)…

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