Downtown Bellevue is the central business district of Bellevue, Washington, United States. It is bounded by I-405 to the east, NE 12th Street to the north, 100th Ave NE to the west, and Main Street to the south, and covers an area of around 400 acres. It is the second largest city center in Washington state, with more than 50,000 employees and 12,000 residents.