Amazon isn't done growing in the Puget Sound region December 26, 2018December 24, 2018 by myNOI Amazon is already King County’s largest office tenant, and it has about 4.5 million square feet of planned office space in Seattle and downtown Bellevue. Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to print (Opens in new window) Print Click to email a link to a friend (Opens in new window) Email