Of 58 counties in the Golden State, Napa County ranks 51st in terms of size (788 square miles). Napa County is in North Coast California. California's Napa County has approximately 1,000 acres of lakefront homes and property for sale based on recent Land Network data. The combined market value of land and rural real estate for sale here was roughly $300,000. Browse all waterfront property for sale in Napa 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 Napa County is residential property.