Mendocino County is in North Coast California. Of the 58 counties in the Golden State, 2 million-acre Mendocino County ranks 14th by size. Mendocino County, California, has almost 10,000 acres of residential land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was roughly $268 million. The average price of residential acreage for sale in Mendocino County was $1 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.