Lake Forest Park is a suburban city in King County, Washington, United States, located northeast of Seattle. It was developed in the 20th century as a bedroom community with single-family housing on medium to large-sized lots. Less than 4% of the city's land is zoned commercial, largely concentrated in one location, and there are no industrial areas. The city is situated at the northwest end of Lake Washington along State Route 522, which provides connections to Seattle and Bothell.