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

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

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

Boundaries of areas in San Mateo County based on water sources. Includes areas served and water suppliers.

Land use type boundaries in San Mateo County. Includes information on landuse density, landuse type, area, and narrative description. This data includes areas in the County's planning jurisdiction. Areas within city jurisdictions are excluded.

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.

Boundaries of Water Districts in San Mateo County. A water district is a special district given the task of supplying water and sewer needs to a community.

Location of Scenic Corridors in San Mateo County. Scenic Corridors are defined as: public views within and from Scenic Corridors shall be protected and enhanced, and development shall not be allowed to significantly obscure, detract from, or negatively affect the quality of these views. Vegetative screening or setbacks may be used to mitigate such impacts. Development visible from Scenic Corridors shall be so located and designed as to minimize interference with ridgeline silhouettes.

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