Mariposa County is in Gold Country California. Of the 58 counties in the state, Mariposa County is 32nd in terms of its size (936,208 acres). California's Mariposa County includes around 4,000 acres of residential land and property for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was $48 million. The average price of residential acreage for sale in Mariposa County was $517,147. Browse all residential land and rural property for sale in California 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.