AEWORLDMAP.COM (3,300+ posts)

The Mark/F5 Tower—Seattle, Washington

Posted in Built by Julissa Tamez on November 4, 2025

Images: [1],[2],[3],[4],[5]
Building: The Mark/F5 Tower
Location: Seattle, Washington
Address: 801 5th Avenue, Seattle, Washington, U.S.
Completed: 2018
Area: 785,000 SF
Owner: Daniels Real Estate
Developer: Daniels Real Estate
General Contractor: JTM Construction
Architect: ZGF Architects
Structural Engineer: Arup and Coughlin Porter Lundeen
MEP Engineer: Syska Hennessy Group, The Rushing Group, Auburn Mechanical, Cochran, Hermanson Company
Civil Engineer: Coughlin Porter Lundeen

AE Interests: A $450 million project featuring a 44-story high-rise, 660-foot-tall, 785,000 SF of mixed-use space, sleek glass curtain wall with a tapered form, includes Class A office space, 189-room luxury hotel, and event facilities, a below-grade parking garage, high-performance glazing for energy efficiency, steel and concrete structural system, and LEED-Silver certification.

Sources: [1],[2],[3],[4],[5],[6]
Video: [1]
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