La Honda is a census-designated place in southern San Mateo County, California, United States. The population was 979 at the 2020 census. It is located in the Santa Cruz Mountains between the Santa Clara Valley and California's Pacific coast. La Honda is near the La Honda Creek Open Space Preserve and State Route 84 on the ocean side of the Coastal Range. The ZIP Code for La Honda is 94020 and the area code is 650.