San Juan County is in Southwest Colorado. Of the 64 counties in the Centennial State, San Juan County is 60th in terms of its size (248,513 acres). The total value of approximately 1,000 acres of residential land and property recently listed for sale in San Juan County, Colorado, was approximately $4 million. The average price of residential land for sale in San Juan County was $824,360. Browse all residential land and rural property for sale in Colorado 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.