Of 58 counties in the El Dorado State, Humboldt County ranks 13th in terms of size (4,052 square miles). Humboldt County is in North Coast California. There is nearly 1,000 acres of beachfront homes and property for sale in California's Humboldt County based on recent Land Network data. The combined market value of farms and ranches for sale here is $11 million. Browse all waterfront property for sale in Humboldt County on the Land Network to find the marina, lakefront and other recreational property that meets your needs, from waterside land perfect as a retirement investment to existing residential waterfront land and property for hunting, fishing and other outdoor-recreation pursuits! The most common type of land for sale by combined acreage in Humboldt County is house.