Boundaries of planning zones in San Mateo County. Definitions of specific zoning codes can be found in the County of San Mateo Zoning Regulations document: http://planning.smcgov.org/zoning-other-regulations

San Mateo County bus route network created from samTrans General Transit Feed Specification (GTFS) data

Beaches, open spaces, and parks administered by San Mateo County.

Boundaries of 2014 Census Designated Places in San Mateo County. This data includes boundaries for: Atherton, Belmont, Brisbane, Broadmoor, Burlingame, Colma, Daly City, East Palo Alto, El Granada, Emerald Lake Hills, Foster City, Half Moon Bay, Highlands-Baywood Park, Hillsborough, Ladera, La Honda, Loma Mar, Menlo Park, Millbrae, Montara, Moss Beach, North Fair Oaks, Pacifica, Pescadero, Portola Valley, Redwood City, San Bruno, San Carlos, San Mateo, South San Francisco, West Menlo Park, and Woodside.

More information about Census Designated Places can be found on the US Census site: https://www.census.gov/geo/reference/gtc/gtc_place.html

Parcels that are regulated under the Williamson Act. The purposes of the Land Conservation Act (Williamson Act) are to preserve the County’s prime soils and intensive high value agricultural operations, and to discourage premature and unnecessary conversion of agricultural land to urban use.

San Mateo County bus stop locations created from samTrans General Transit Feed Specification (GTFS) data

Boundaries for the five Supervisor Districts in San Mateo County. This data contains boundaries that extend into the San Francisco Bay and the Pacific Ocean. Demographic data from the 2010 United States Census Summary File 1 (SF1) is included.

Caltrain heavy rail network created from the Caltrain General Transit Feed Specification (GTFS) data

Trails in San Mateo County that are administered by other entities. Includes the California Coastal Trail, Fifield-Cahill Range Trail, Juan Batista De Anza Trail, and the San Francisco Bay Trail .

Locations of Bay Area Rapid Transit (BART) stations. Locations of station entrances can be found here: https://data.smcgov.org/Transportation/BART-Station-Entrances/e5hr-a4sk/