601 4th Avenue is a mixed-use development in downtown Seattle.  The 40 story, 525’ tall, tower includes 600,000 square feet of office space on the first 23 floors with 150 residential units above.  Ground level includes a public plaza with retail and entertainment spaces with parking below grade.  Below the site is a new Metro Light Rail transit station with escalator access to the site.

The vertical transportation strategy includes low/high groups serving the office zone, and dedicated elevators serving the residential zone and below grade parking.

 

FS² was commissioned for design through

construction oversight.