Areas in San Mateo County that are not part of a city. The unincorporated areas include: Broadmoor, Burlingame Hills, Devonshire, El Granada, Emerald Lake Hills, Fair Oaks, Highlands/Baywood Park, La Honda, Ladera, Loma Mar, Los Trancos Woods/Vista Verde, Menlo Oaks, Montara, Moss Beach, North Fair Oaks, Palomar Park, Pescadero, Princeton, San Gregorio, South Coast/Skyline, Sequoia Tract, Skylonda, Stanford Lands and West Menlo Park

Locations of fire hazard boundaries in San Mateo County. This dataset includes State Responsibility Areas (SRA) and Local Responsibility Areas (LRA) and hazard classifications. More information can be found at: http://planning.smcgov.org/documents/san-mateo-county-hazards-california-state-fire-severity-zones

A display of all the land within the County which receive tax breaks under the Williamson Act.

Feature that delineates the city and unincorporated areas within San Mateo County.

Boundary of areas considered urban, urban coasta, and rural for planning purposes.

A map of all the open space within 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

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