The value of land and rural real estate for sale in Nevada's Washoe County recently on Land.com was approximately $864 million. This represents nearly 100,000 acres of farms, ranches, and rural real estate for sale in Washoe County. Washoe County ranks fourth based on the combined acreage of land for sale among all the counties in the Sagebrush State. Of all land and rural real estate for sale in Washoe County, Reno had the most land for sale. Based on its natural assets, tourism and recreation are important factors in the Washoe County economy. Washoe County is one of the ten biggest counties in Nevada (6,541 square miles). It's located in the Northern Sierra Nevada region of the state.