San Mateo County is in San Francisco Bay Area California. Of the 58 counties in the state, San Mateo County ranks 53rd in terms of size (474,213 acres). San Mateo County, California, has almost 1,000 acres of undeveloped land for sale based on recent Land Network data. The combined market value of farms and ranches for sale here was $54 million. The average price of undeveloped land for sale in San Mateo County was $2 million. Some suggested uses for undeveloped land currently for sale in San Mateo County include for commercial, hunting/fishing, and vineyard use. Some common wildlife species to be found on undeveloped land for sale in San Mateo County include quail, turkey, mule deer, dove and ducks. Current commercial applications for commercial property for sale in San Mateo County include for commercial, hunting/fishing and vineyard use. Browse all California undeveloped acreage for sale on the Land Network to find your next commercial property or land investment.