This polygon shapefile depicts areas in the County of San Mateo, California 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. This layer is part of a collection of GIS data for San Mateo County, California.This coverage can be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analyses of geospatial data.