what county is san anselmo ca
San Anselmo, California. For the community in Imperial County formerly with this name, see Kane Spring, California. San Anselmo is an incorporated town in Marin County, California, in the western United States. San Anselmo is located 1.5 miles (2.4 km) west of San Rafael, at an elevation of 46 feet (14 m). It is located about 20 miles (32 km) north of San Francisco.