Welcome to Black Diamond
Black Diamond is one of the fastest growing new home construction areas in King County, home of Ten Trails community, offering a variety of homes and price points.Lake Sawyer is nearby, the fourth largest natural lake in King County with a surface area of 286.1 acres. The lake is located in Black Diamond, within the Big Soos Creek Basin of the Green River Watershed. The City of Black Diamond annexed the lake and surrounding homes in 1998.