City Center East, also known as City Center Plaza, is a high-rise office building in Bellevue, Washington, US. The 26-story, 360-foot tower was completed in 2009 and entirely leased by Microsoft until 2023. Microsoft's Bing development team as well as many AI teams were headquartered there. It is located adjacent to the Bellevue Transit Center and its sister building, City Center Bellevue, which was completed in 1986.