Land for Sale including Residential Properties in King County, Washington

King County is in Puget Sound Washington. Of the 39 counties in the state, King County ranks 11th in terms of size (2,307 square miles). Recent listings of residential land and property for sale in Washington's King County totals roughly 1,000 acres and a combined market value of roughly $32 million. The most common type of land for sale by combined acreage in King County is undeveloped land. The average price of residential land for sale in King County was $2 million. Browse all residential land and rural property for sale in Washington to find residential land and properties that suit your lifestyle needs, from existing residential homes and estates to land ready for future residential-property development.