Adams County is in Eastern Washington. Of the 39 counties in the state, Adams County ranks 17th in terms of size (1,929 square miles). Recent listings of residential land and property for sale in Washington's Adams County totals 1,000 acres and a combined market value of roughly $9 million. By overall acreage, residential property is the most common type of land for sale in Adams County. The average price of residential land for sale in Adams County was $497,188. The economy here is mainly agricultural. 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.