Countywide Statistical Area (formerly called Board Approved Statistical Areas) provide a common geographic boundary for reporting departmental statistics for unincorporated areas to the Board of Supervisors. They are not designed to perfectly represent communities, nor jurisdictional boundaries such as the Angeles National Forest. References below might still be for BASA – but they […]
Fire Station boundaries for the Los Angeles County Fire Department. The department has 172 stations. There are a total of 198 station boundary polygons, as some stations are responsible for multiple non-contiguous areas.
Click her for shapefiles
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
Download Data : shapefile
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 […]
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 […]
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 […]
Airport Runways in the County of Los Angeles digitized from high-resolution aerial photography, and created by the following agencies: LAWA (Los Angeles World Airports), Department of Public Works, City of Long Beach, City of Santa Monica, and City of Burbank.
The runways include all paved and access tarmacs to the flight lines.
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 […]
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 […]
Rural Preservation Areas
Introduced in the Antelope Valley Area Plan, adopted by the Board of Supervisors on 6/16/15, the Rural Preservation Areas layer identifies several types of rural preserves such as “Rural Town Areas”, “Future Town Areas”, “Open Space”, etc. It lays out the framework of the Land Use Policy Map […]
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 promote dark skies for the enjoyment and health of humans […]
The equestrian district is established as a supplemental district in order to recognize particular areas where the keeping or maintaining of horses and other large domestic animals for the personal use of members of the family residing on the premises has become or is intended to become an integral […]
Economic Opportunity Areas (EOA)
Introduced by the Antelope Valley Area Plan that was adopted by the Board of Supervisors on 6/16/15, the Economic Opportunity Area layer identifies areas that have significant opportunities for growth and economic development. For more information about this, please see the Antelope Valley Area Plan, chapter 2 (click […]
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 […]
November 1, 2016 – this data is now public
The Countywide building outline dataset contains building outlines (over 3,000,000) for all buildings in Los Angeles County, including building height, building area, and the parcel number (also known as building footprints). This data was captured from stereo imagery as part of the LAR-IAC2 Project (2008 acquisition) […]
This layer contains detailed information about our park facilities. In addition to boundary information, our data contains 120 fields to allow for detailed queries and analysis. This data includes parks, golf courses, wildlife sanctuaries, botanic gardens, natural areas, nature centers, amphitheaters, and undeveloped sites that may serve as proposed sites for future facilities.
To download […]
These are the main layers that were used in the mapping and analysis for the Santa Monica Mountains Local Coastal Plan, which was adopted by the Board of Supervisors on August 26, 2014, and certified by the California Coastal Commission on October 10, 2014. Below are some links to important documents and web mapping applications, […]
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 […]
In March 2015, the Los Angeles County Board of Supervisors approved a motion to initiate the Countywide Comprehensive Parks and Recreation Needs Assessment. This represents an unprecedented effort to document existing parks and recreation facilities in cities and unincorporated communities in Los Angeles County, and to use these data to determine the scope, scale, and […]
This shapefile contains trail-related facilities, including equestrian centers, equestrian parks, rest areas, trailheads and staging areas. Some facilities are maintained by other agencies, but are shown here to demonstrate continuity throughout the county’s trail systems. Data was collected from July 2012 to January 2016.
Download the data here.
This point layer contains trail access points, which compliments our trails layer. Access points are included for county trails, and trails maintained by other agencies.
Download the data here.
The National Agriculture Imagery Program (NAIP) is releasing the 2016 imagery via ESRI REST services through an early access program.
USDA offers a great service until such time the tiffs are ready and distributed and made available for download, and new permanent services built. So far, Riverside, San Diego and […]
These layers represent the spatial distribution of the 85th and 95th percentile, 24-hour rainfall within the County of Los Angeles.
Rainfall gages throughout the County were selected based on spatial distribution and rainfall record length to determine the 85th and 95th percentile, 24-hour rainfall. The 85th and 95th percentile, 24-hour rainfall can be used to […]
This map page grid was designed and implemented by the Los Angeles County Fire Department, Special Services Bureau, Information Management Division, and Geographic Information Systems Section. Wholly based on the United States National Grid (USNG), it aims to be the Los Angeles County regional grid because of its ease of use and extensive coverage.
Fire Battalion boundaries for the Los Angeles County Fire Department. Currently there are 22 Battalions in the Department.
Click here for shapefiles
Fire Division boundaries for the Los Angeles County Fire Department. Currently, there are 9 Divisions in the Department.
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Fire Region boundaries for the Los Angeles County Fire Department. Currently, the are 3 Regions in the Department.
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This layer is a combination of the Buildout for the General Plan 2035 and the Antelope Valley Area Plan, that was generated for the EIRs for both plans. The Board of Supervisors adopted both the Antelope Valley Area Plan and General Plan 2035 on 6/16/15 and 10/6/15, respectively. The Antelope Valley Area Plan contained the […]
These datasets contain the geographic extent of USGS 1:24,000 topographic maps (7.5- by 7.5-minute quadrangles).
LA County: This dataset is optimized for LA County – some quad sheets are actually extended beyond the cord grid system to cover small areas of coastline.
Click here […]
Assessor Parcels from the 2015 Tax Roll
The Office of the Assessor (click here for their website) maintains assessment records of real and personal property in the County of Los Angeles, as well as a GIS Tax Parcel Base Map. They will be available here, as well as on […]
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 […]
Introduced by the Antelope Valley Area Plan, adopted by the Board of Supervisors on 6/16/15, the Scenic Drives layer identifies major roads that have scenic signifigance. Also establishes development guidelines to help preserve their scenic qualities. For more information, please see Chapter 4 of the Antelope Valley Area Plan (click […]
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. Current as of 3/1/2016.
https://data.lacounty.gov/Property-Planning/Subdivision-Activity-Unincorporated-Areas-/6u93-jmgg (this is a table)
https://data.lacounty.gov/Property-Planning/Subdivision-Activity-Unincorporated-Areas-/6m2t-evvh (the GIS layer)
Data can […]
The Bureau of Ocean Energy Management (BOEM) promotes energy independence, environmental protection and economic development through responsible, science-based management of offshore conventional and renewable energy and marine mineral resources.
BOEM handles the actual Oil and Gas Lease Sales, along with Marine Minerals negotiated agreements and official maps and […]
Maritime Limits and boundaries are available as downloads from NOAA at this site: http://www.nauticalcharts.noaa.gov/csdl/mbound.htm (look for the Static Data Downloads below the map).
Maritime limits and boundaries for the United States are measured from the official U.S. baseline, recognized as […]
Download: OSM California Streets, etc. (Geofabrik)
Download: OSM Land Polygons (Jochen Topf and Christoph Hormann)
OpenStreetMap (OSM) is built by a community of […]
The State Responsibility Area (SRA) is the area of the state where the State of California is financially responsible for the prevention and suppression of wildfires. SRA does not include lands within city boundaries or in federal ownership. To see if a parcel is within the SRA enter in the parcel address in the Board […]
The Los Angeles County Fire Department is utilizing a 2000 meter grid system for dispatching, data analysis and map production. It is based on the 1000 meter grid developed by the United States National Grid (USNG). A page numbering system for this 2000 meter grid was created for use by the Los angeles County Fire […]
This dataset was extracted from the LA County CEO/CAO Building Data Record (BDR) database, which is a database of all owned and leased infrastructure for the County of Los Angeles. The key field is the LACO number, which is the unique identifier for each item in the databse. The database contains information about small facilities […]
NOAA has released a set of oblique imagery captured February 6-9, 2016. On the same site is baseline imagery under the 2015 tab of imagery collected in September 2015. NOAA is collecting this data in order to assess impacts to several NOS mission areas including navigation and coastal […]
Planet Labs captures imagery from micro-satellites – they have made imagery for California Open for use.
I didn’t have the opportunity to see exactly how to get the data into my apps and desktop, but here is the web page: https://www.planet.com/open-california.
From their page:
Frequently Asked Questions What […]
The HIFLD Subcommittee is pleased to announce the release of the HIFLD Open data portal .
LA County leverages a fair amount of this data to provide emergency response preparedness as well as including publicly available data in our Points of Interest file. There is a […]
This file contains boundaries of Medical Service Study Areas (MSSA) provided to LA County by the California Office of Statewide Health Planning and Development (OSHPD). The purpose of this designation is to identify areas of greatest need so that limited resources can be prioritized and directed to the people in those areas.
A MSSA is […]
This data set contains estimated number of people with Serious Mental Illness for Adults and Serious Emotional Disorder for Children by the 2010 census tract in the County of Los Angeles in Calendar Year (CY) 2014. The prevalence rates are calculated by the UCLA-California Health Interview Survey (CHIS) by age, gender, ethnicity and Federal Poverty […]
This Layer contains the grid of Precinct Maps for the County of Los Angeles. The RRCC Precinct Map Index divides the County of Los Angeles into 1620 polygons geospatially representing the locations of the Registrar-Recorder/County Clerks 7,759 Precincts/33,365 subprecincts (numbers subject to change). Each polygon covers an area 10,000 X 75,000 feet.
Download the data […]
This Data Layer contains the RRCC Map Tile Index. This layer consists of 105 Polygons used in conjunction with the RRCC’s County Precinct Map Grid. When the Tile Index is overlayed, the Precinct Maps will be grouped into 16 or less pages per tile.
Download the data here.
Park planning areas are geographic boundaries in unincorporated Los Angeles County as defined by the Department of Parks and Recreation. These boundaries are used to assist in calculating fees associated with subdivisions to satisfy a subdivider’s obligations to provide park land, or open space in accordance with Los Angeles County Code, Title 21, Section 21.28.140. […]
Click Here to Download
Location of mile marker post with attached attributes of : TYPE is MM for Mile Marker, ST_NAME is street name, CONDITION, SURVEYOR is person who located the position, SOURCE is GNSS for Trimble R8 receiver or GEOXH for the GeoXH 6000 receiver, POINTID is data collection point […]
The Los Angeles County Department of Public Works is focused on creating an interactive environment that allows efficient access to flood control right-of-way information for our customers. This dataset contains the boundaries of the Los Angeles County Flood Control District (LACFCD) right-of-way parcels and distinguishes between fee, easement, quitclaim, and other.
These Summary File 1 tables provide the most detailed counts available so far from the 2010 Census, including cross-tabulations of age, sex, households, families, relationship to householder, housing units, detailed race and Hispanic or Latino origin groups, and group quarters at the census tract level.
Census Bureau Releases New Local-Level Demographic Information from 2010 Census […]