Land for Sale including Beachfront Properties in San Mateo County, California

San Mateo County is in San Francisco Bay Area California. Of the 58 counties in the Golden State, San Mateo County ranks 53rd in terms of size (474,213 acres). The most common type of land for sale by combined acreage in San Mateo County is residential property. Browse all waterfront property for sale in San Mateo 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!