Located in San Diego County California, 4,525-square-mile San Diego County is one of the ten biggest counties in the Golden State. Recent listings of ranches for sale in San Diego County, California, totals around 8,000 acres and a combined market value of about $68 million. The most common type of land for sale by combined acreage in San Diego County is residential property. The average price of ranches for sale in San Diego County was $4 million. Common game species to be found on ranches for sale in San Diego County include quail, dove, ducks, geese, bear, turkey, whitetail deer, mule deer, elk, pheasant and pig. For fishermen, the rivers and lakes on San Diego County ranches for sale are stocked with fish including bass, catfish, pike and trout. Browse all California ranches for sale on the Land Network to find the ranch that's right for your business or commercial needs, from the sprawling legacy ranch to unbelievable residential ranch for your second home, investment property or retirement nest egg.