Historic Resources

Overview This layer identifies historic resources and their attributes located in unincorporated areas or on County owned land and listed, or in some cases eligible for listing, on the National, California and/or County registers. This information supports the County’s Historic Preservation Ordinance, Mills Act Program and CEQA. The LA County Planning's Historic Preservation Program [website] is the central location for all things related to the Historic Preservation efforts in the County. Data Sources * Built Environment Resource Directory (BERD) - The Built Environment Resources Directory (BERD) files provide information, organized by county, regarding non-archaeological resources in the Office of Historic Preservation’s (OHP) inventory, and more information can be found [here]. * County Adopted Landmarks - these are identified in the[County Register]. * County Proposed or Eligible Districts - not yet officially adopted. * County Historic Context Statements, Historic Surveys and Preservation programs - these are identified on the Historic Preservation > Resources[site]. * DRP - Energov - These are parcels with a Mills Act contract, but are not on any official register. * State and National Registers - Landmarks or Districts listed on State and National registers. For more information, please visit the Historic Preservation Program [site]. * Cal Fire -Flags structures in unincorporated areas that have been damaged by major fires. Field Descriptions * Name - Name of the site or district. Note that some of the names listed are generic, or they may not have a name at all. * Description - A description of the site or district. Note that not all sites will have a detailed description. * APN(s) - Parcel number of the site, or multiple parcel numbers if the site contains multiple parcels. Some sites are within right-of-ways and may not have a parcel number. * Address or Location - an address or a description of the location. * Year(s) Built - The year a structure was built. Not all built data is available, or may not be applicable. * Status Code / Description - The status code and description for a site as established from the Office of Historic Preservation (OHP). For list, click[here]. * Potential Themes - For a Historic Context Statement and Survey, themes are a way to categorize patterns of historical development. More information about this and of Historic Contexts and Surveys in general is[here]. * Architectural Style - Describes the architectural style of the buildings, where applicable. * Source - Source agency or database of the site or district; source document of a Historic Context Statement / Survey. * Source Date - The date the source material was extracted; date of a Historic Context Statement / Survey. * Year Designated - The year a site or district was officially added to a County, State, or National Registry. * Mills Act Contract - Whether a site is under a Mills Act contract which is an agreement between a property owner and a local government to preserve the historic resources on their property and receive property tax relief. More information from OHP is[here]. * Jurisdiction - Identifies whether the site or district is in a city or unincorporated area. Most of the sites in this layer will be in unincorporated areas, but, there are sites within cities that are official County Landmarks (like the Hollywood Bowl). * City / Unincorporated Community - Identifies the city or community name of the site or district. See Jurisdiction note above for cities. * Notes - Explanatory notes about a site - mostly references to the source materials. * File Location (Hyperlink) - Hyperlinks to source materials. * County Landmark / District Number - Identification number for the official LA County. More information is[here]. * County Designation Date - Date that a landmark or district was adopted. More information is[here]. * CA_TYPE / CA_NUM / CA_DATE - These are the official types, ID numbers, and dates for those sites in the California Registry. Visit the California Historical Resources page[here]. * NALANDMARK / NA_TYPE / NA_NUM / NA_DATE - These are the official types, ID numbers, and dates for those sites in the National Registry. A link to the National Register of Historic Places is[here]. * Legend - These are the general categories of sites and districts that are used in the symbology of GIS-NET. * Fire Damage -Flags sites that have structures that were damaged or destroyed from major fires with the following categories per Cal Fire: No Damage (sites within or near a fire perimeter that were not damaged by the fire listed);Affected (1 - 9% damage); Minor (10 - 25 % damage); Major (26 - 50% damage); Destroyed (over 50% damage); Inaccessible (site unable to be assessed) * Fire Damage Notes -Lists the name of the fire, and flags those sites that have multiple structures with multiple damage categories. Last Updated: 5/19/2026 - added 'Lake House' (Nominated for County landmark) NEED MORE FUNCTIONALITY? If you are looking for more layers or advanced tools and functionality, then try our suite of [GIS Web Mapping Applications].