The overall value of land and rural real estate for sale in Santa Barbara County recently on Land.com was almost $3 billion. This represents around 100,000 acres of ranches, farms, hunting land and other rural land and acreage for sale in Santa Barbara County. Santa Barbara County ranks 14th out of 58 counties in the state for the combined amount of land currently advertised for sale. Santa Barbara featured the most land for sale. Santa Barbara County is the 16th biggest county (3,789 square miles) in California. It's located in the Central Coast California region of California.