Issaquah Highlands is a planned community and mixed-use neighborhood in Issaquah, a suburb of Seattle, Washington, United States. The neighborhood, located northeast of downtown Issaquah at Grand Ridge on the Sammamish Plateau, was planned in the New Urbanism style and opened in 1998 after a decade of planning and construction.

Issaquah is a city in King County, Washington, United States. The population was 40,051 at the 2020 census. Located in a valley and bisected by Interstate 90, the city is bordered by the Sammamish Plateau to the north and the "Issaquah Alps" to the south. It is home to the headquarters of the multinational retail company Costco Wholesale Corporation. Issaquah is included in the Seattle metropolitan area.