This dataset is a collection of the current base zone designations applied to property in the City of San Diego, as per the Official Zoning Map adopted by the City Council on February 28, 2006, and all subsequent updates.

This overlay identifies lands requiring special attention in order to conserve resources in a manner best satisfying public and private objectives. The appropriate implementation actions will vary depending upon the conservation objectives of each resource but may include: public acquisition, establishment of open space easements, application or special land use controls such as cluster zoning, large lot zoning, scenic or natural resource preservation overlay zones, or by incorporating special design considerations into subdivision maps or special use permits. Resource conservation areas shall include but are not limited to groundwater problem areas, coastal wetlands, native wildlife habitat, construction quality sand areas, littoral sand areas, astronomical dark sky areas, unique geological formations, and significant archaeological and historical sites.Text regarding RCAs can be found in the Conservation Element of the County of San Diego's General Plan. For a comprehensive description of the County of San Diego General Plan and a information about the RCAs, refer to: http://www.sdcounty.ca.gov/pds/generalplan.htmlSource data provided courtesy of SanGIS (http://www.sangis.org/)