Airport Land Use Commissions (ALUC) have been established for all counties with public use airports within the state of California. ALUCs are formed with the specific intent of implementing state law (Public Utilities Code) regarding airports and surrounding land use compatibility. With limited exceptions, an Airport Land Use Commission (ALUC) is required by California law […]
We are making a number of our GIS data layers available as public mapping services based upon ESRI’s ArcGIS Server technologies at this URL (http://public.gis.lacounty.gov/public/rest/services). More details on each service will follow as we have the time to describe them, but generally they include GIS data that […]
This dataset represents Disaster Management Areas within the Los Angeles County Operational Area.
Los Angeles County serves as the intermediate level of government that coordinates and communicates disaster response needs between the eighty-eight (88) cities within its geographic boundaries and the State of California. The County is divided into eight Disaster Management Areas (A, […]
This dataset contains 2010 Block Groups, updated to improve geographic accuracy, split by City boundaries for each year since 2010. It is a foundation-level dataset that is used to create many other datasets and reporting within the County, including:
Legal City Boundaries Census Block Group and Tract Boundaries – which is used to map our demographic estimate […]
This layer represents the employment protection districts as depicted in Figure 14.1 in the General Plan 2035. Employment Protection Districts are economically-viable industrial and employment-rich lands, with policies to prevent the conversion of industrial land to non-industrial land.
Download Shapefile (.zip)
The General Plan 2035 was adopted by the Board of Supervisors on 10/6/15, and went into effect on 11/5/15. This reflects the land use policy as depicted in that plan. This plan rescinds the 1980 General Plan, however, the old GIS layer is available here for download. More information about the General Plan 2035 […]
Agricultural Resource Areas
Agricultural Resource Areas were introduced with the Antelope Valley Area Plan that was adopted on 6/16/15 by the Board of Supervisors. They are meant to preserve Agricultural activities in the Antelope Valley and encourage low-density development. For more information, please reference the Antelope Valley Area Plan, Chapter 4 (click […]
This layer represents the proposed Transit Oriented Districts (TODs) as depicted in Figure 6.5 in the General Plan 2035. These are urban and suburban areas with access to major transit and commercial corridors that have the most potential for infill development, and are well-suited for higher density housing and mixed uses. With the exception of […]
This is zoning for the unincorporated areas of Los Angeles County.
For more complete information, see Title 22 (Planning and Zoning) of the Los Angeles County Code, or stop by the office of the Los Angeles County Department of […]
For UNINCORPORATED areas of Los Angeles County only. A Specific Plan implements the General Plan/Community Plan and is a more detailed version of the General Plan for a focused area. The Specific Plan articulates planning considerations and imposes regulations or controls. Updated 8/31/15 for city boundary reorganization between the city of Los Angeles and Universal […]
These districts were established when zoning was created for Los Angeles County many years ago. It was a way to break the county up into distinct areas, smaller units, for easier record keeping and organization. It is still in use to identify and keep track of those ordinances and for running queries […]
Summary This data is a representation of the program boundaries for Department of Public Social Services, for all district offices. There are separate boundary layers for program Intake boundaries, which are used to tell County residents which office to go to when applying for a particular program. There are also separate boundaries […]
Area / Community / Coastal / Neighborhood Plans
This data depicts generalized land use classifications, each of which is intended to describe the dominant use characteristics within the area covered. Updated information regarding public parks, school sites, freeways, rail/transit lines, and other ownership-specific boundaries have been incorporated into this data. The […]
Summary: This dataset contains the areas targeted by the Community Development Commission of the County of Los Angeles for economic redevelopment or housing rehabilitation.
Description: The Community Development Commission of the County of Los Angeles (CDC) serves in the County of Los Angeles as an affordable housing, and community and economic development agency. The agency’s four […]
Depicts the boundaries for the Santa Clarita Valley, East Los Angeles, Harbor Gateway Communities, and other enterprise zones.
The State Enterprise Zone program was developed by the California Legislature to provide targeted areas with a means to stimulate business growth and attract new companies, jobs, and private investment. Businesses located in an Enterprise […]
The community standards districts are established as supplemental districts to provide a means of implementing special development standards contained in adopted neighborhood, community, area, specific and local coastal plans within the UNINCORPORATED areas of Los Angeles County, or to provide a means of addressing special problems which are unique to certain geographic […]
This dataset shows the geographic boundaries of public safety answering points, tied to correct/legal city boundaries. These geographic boundaries determine where an emergency call is routed, especially in the new e911 system. A Public Safety Answering Point (PSAP) is a state-managed local center where all 911 calls are routed. They are typically […]
For planning purposes & reference within the General Plan Update.
Countywide layer which divides the County of Los Angeles into 11 Planning Areas. These area divisions were created for the LA County Dept. of Regional Planning by the GIS Section under direction from the General Plan Development Section. Reflects the most recent changes from the […]
I was recently made aware of a couple of sites where NOAA makes data available.
West Coast Ocean Data Portal, which hosts data related to the oceans on the west coast:
If you are looking for data from the US Forest Service, you can go to their Enterprise Data download location. I recently downloaded the boundaries of the new San Gabriel Mountains National Monument from there.
Click here to […]
A town council is a democratically elected form of government for small municipalities or civil parishes. A council may serve as both the representative and executive branch. Source: individual town councils and the GIS Section; last update: December, 2014.
Rural Outdoor Lighting District (Dark Skies)
This project is an amendment to Title 22 of the County Code, Planning and Zoning, to establish a Rural Outdoor Lighting District for areas of unincorporated Los Angeles County. The proposed Ordinance will establish the District with regulations that will conserve energy and resources and […]
This layer delineates ridgelines within selected CSDs whereupon restrictions are established for grading and ridgeline development. For more information on specific CSDs where these ridgelines reside, click here. Last updated 10/29/14 for updated Significant Ridgelines in newly certified Santa Monica Mountains Coastal Plan.
Data can be downloaded here:
Download Shapefile (.zip)
The Fire Department’s jursidictional areas. Includes: Stations-170, Battalions-22, Divisions-9 and Regions-3. There are 199 individual polygons with 30 Stations having 2 or more discrete polygons.
Click here for Shapefiles
Orange County now has a data portal for downloading GIS data, including parcels, road lines, etc. This looks like a very nice capability. You have to register to access the data, but it’s a great step forward: Click here to access
Regional Center boundaries for LA County have been created. These centers serve individuals with development disabilities and their families (see http://www.dds.ca.gov/RC/RCList.cfm for more information).
Data can be downloaded here:
Regional-Centers-2014.lyr (ArcMap 10 layer file) Regional-Centers-2014.zip (zipped shapefile)
If you have any questions, please […]
This dataset contains the boundaries of the various library systems in the County of Los Angeles.
This data is used to support the library’s assignment of billing and other codes on this website: http://gis.lacounty.gov/districtlocator
Download the data
Library_Service_Areas (zipped shapefile)
The Los Angeles County boundary, along with the city boundary lines and polygons, were consolidated into the City Annexations post on this portal.
The file is used to generate maps and statistical reports for planning purposes. It is also used as a basemap for GIS web applications showing the Service Areas of each DCFS Regional Offices by ZIP Codes. […]
The subdivision activity layer represents those areas (within unincorporated areas) with cases that are either pending, approved or recorded (within the past few years) within the Los Angeles County subdivision process. 2015 version available on the LA County Open Data Portal.
https://data.lacounty.gov/Property-Planning/Subdivision-Activity-Unincorporated-Areas-/6u93-jmgg (this is a table)
Depicts lands owned or managed by the U.S. Forest Service and designated by U.S. Government as a National Forest. The Los Padres and Angeles National Forests lie within the boundaries of Los Angeles County.
More info on the Angeles National Forest can be found by
SUPERVISORIAL DISTRICT MAPS UPDATED 1/12/2015.
Various maps are available for free as downloads (PDF files) or as hard copy prints for a fee. Available maps include Supervisorial Districts (updated 1/12/2015), Community Standards Districts (CSD), Zoning, Community and Area Plans, etc.
Note, this is not a link to GIS data layers, just Adobe Acrobat PDF files. […]
For folks who are looking for GIS data in the City of Santa Monica, they have a page where they make this data available for download:
Click here to go to the Santa Monica GIS Data Page
LA City Planning GIS Data Portal
The City of Los Angeles Planning department has launched a GIS Data Portal for downloading various GIS data files pertaining to City Planning information.
You can access the data by going to http://planning.lacity.org, selecting the Maps and Stats button on the left, then selecting the LADCP GIS […]
Service Planning Areas (SPAs) are used by a number of County departments (Public Health, Health Services and Mental Health) to plan and manage service delivery across the County. SPAs are aggregated from Census Tracts in order to connect them to demographic information.
The SPAs in this dataset are based upon 2010 […]
Health Districts (HDs) are used primarily by the Department of Public Health to plan and manage health service delivery across the County. HDs are aggregated from Census Tracts in order to connect them to demographic information.
Created in 2012, the HDs in this dataset are based upon 2010 Census Tracts and […]
This dataset contains boundaries of school districts in LA County from 2011. This has been updated to reflect changes from the earlier 2002 dataset, but still contains some information (phone numbers, etc) from 2002 that have not been validated.
There are two different kinds of school districts:
Separated Districts – where the Elementary & Middle […]
Boundaries of high school attendance area covered by each public school in Los Angeles County. Attendance Areas are used to determine which school a student will go to.
This data was last updated […]
The Cal-Atlas site facilitates the coordinated and sustainable development, maintenance, licensing and sharing of geospatial data and web map services by California government agencies, partners and stakeholders. California government agencies work with the California GIS Council, regional GIS collaboratives and the broader California GIS community to define the data architecture, systems, standards, agreements and processes […]
This dataset contains boundaries of school districts in LA County from 2002.
There are two different kinds of school districts:
Separated Districts – where the Elementary & Middle Schools are administered separately from the High School Districts (William Hart High School receives students form Castaic and Saugus Elementary Schools, for example). Union Districts – where […]
The coastal zone, which was specifically mapped by the Legislature, covers an area larger than the State of Rhode Island. On land the coastal zone varies in width from several hundred feet in highly urbanized areas up to five miles in certain rural areas, and offshore the coastal zone includes a three-mile-wide band of ocean.
SCAG is the Southern California Association of Governments. SCAG is the nation’s largest metropolitan planning organization, representing six counties, 190 cities and more than 19 million residents. SCAG undertakes a variety of planning and policy initiatives to encourage a more sustainable Southern California now and in the future.
Mapping & GIS at SCAG
Abstract: This layer contains Garbage Collection boundaries within the contract cities serviced by L.A. County DPW. Disposal districts maintained by other agencies, like City of LA or LA County Sanitation District, are not shown here. Purpose: General mapping use
Abstract: County Lighting Maintenance District shows the boundaries where Los Angeles County Traffic & Lighting Division maintains the street lights.
Traffic and Lighting is a Division of the Los Angeles County Department of Public Works.
Abstract: Areas maintained by the Los Angeles County Flood Maintenance District. Purpose: General mapping use The Los Angeles County Flood Control District is managed by the Los Angeles County Department of Public Works. Download Data
Information on the Los Angeles County January 27th, 2011 | Tags: flood, fmd, maintenance | Category: Administrative Boundaries, Free, GIS Data by Source, GIS Data by Theme, Public Works |
Abstract: Areas maintained by Los Angeles County Department of Public Works, Road Maintenance Division. Purpose: General mapping and field operations.
Los Angeles County Road Maintenance District Service Areas
This layer is a representation of the Water Purveyor Service Areas within Los Angeles County.
Purpose: General mapping, long term water supply planning, and to aid in emergency management during drought.
A list of Water Companies is attached in this Excel File: Water […]
Abstract: Watershed Management Area. Based on sub-watershed boundaries, which were digitized by Public Works from USGS quads. Purpose: To determine subareas within NPDES Municipal Stormwater Permit Download Data […]
Parcel Specific Zip Codes Sample
There are two ZIP Code boundary shapefiles – one that follows parcels and one that follows street based data better. There is also a line version of the ZIP Codes and ZIP Code centroids included here as well. One lines up with parcel lines and the […]