San Joaquin County is in Central Valley California. Of the 58 counties in the Land of Milk and Honey, San Joaquin County is 33rd in terms of its size (1,426 square miles). There is 2,000 acres of residential land and property for sale in San Joaquin County, California, based on recent Land Network data. The combined market value of farms and ranches for sale here is approximately $62 million. The average price of residential land for sale in San Joaquin County was $3 million. 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.