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 Station boundaries for the Los Angeles County Fire Department. The department has 171 stations. There are a total of 197 station boundary polygons, as some stations are responsible for multiple non-contiguous areas.
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Fire Battalion boundaries for the Los Angeles County Fire Department. Currently there are 22 Battalions in the Department.
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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 shapefile contains trails facilities, including equestrian centers, equestrian parks, staging areas, rest areas, trailheads. Some trails facilities are maintained by other agencies, but are shown to demonstrate continuity throughout the county’s trails system. Data was collected from July 2012 to January 2016.
Download the data here.
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 to download […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 […]
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 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 […]
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 GIS […]
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 the low-water line along […]
OpenStreetMap (OSM) is built by a community of mappers that contribute and maintain data about roads, trails, cafes, railway stations, and much more, all over the world. Luckily, Geofabrik, a German-based consulting firm regularly provides current regional downloads of this data, like this one of California:
March 25th, 2016 | Category: Addressing, Free, GIS Data by Cost, Licensed, Other, Transportation, Uncategorized |
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 Department.
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 data is included […]
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 lot of […]
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 a Medically Underserved […]
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 Level […]
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.
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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 […]
This dataset contains the boundaries of parking lots in the County of Los Angeles 5,000 square feet and larger for commercial, industrial, and government properties.
LARIAC_PARKING_LOTS_2014 (zipped shapefile)
The Los Angeles County Office of Sustainability funded the development of this dataset in order to support the […]
Current data date: January 2016
The major changes to this file include an update of all public school locations from the State Department of Education
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LMS_Data_Public_20160114_gdb – Zipped file geodatabase – full dataset LMS_Data_Public_20160114_shapefile – Due to the length of a number of the fields, a shapefile’s 255 character […]
The Los Angeles County Department of Public Works (DPW) facility points show the location of field facilities owned by or under the jurisdiction of DPW. These points are used by the Service Locator web application that allows the public to find the location of services provided by DPW.
To locate public […]
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 shapefile contains existing county trails and proposed multi-use trails. Other agencies’ trails are also shown to show continuity, but only county trails information is maintained by the county. All existing county trails data was collected using GPS equipment and was collected from July 2012 to February 2015.
Click here to download the data.
The Los Angeles County Department of Public Works has developed a groundwater well web viewer to provide the public with current and historical groundwater depth information throughout Los Angeles County.
To provide active wells information to the public.
The December 29th, 2015 | Category: Department of Conservation, Free, GIS Data by Theme, Hydro, LA County, Public Works, State of California |
The Federal Emergency Management Agency (FEMA) creates and provides authoritative data related to flood insurance. Using that data, the Los Angeles County Department of Public Works has developed a public-facing web viewer for accessing flood zone information in the County of Los Angeles (Flood Zone Determination Website). Flood zones are represented […]
The Federal Emergency Management Agency (FEMA) creates and provides authoritative data related to flood insurance. Flood Insurance Rate Maps (FIRMs) data, where available digitally, can be found on the official FEMA’s National Flood Hazard Layer.
Looking for more than just […]
The Tax Parcel Lines file shows the boundaries of Tax Parcels. This file is used by the Assessor to construct the tax parcel polygons and to produce the Assessor Map Book pages utilized to locate and identify all the Tax Parcels within the County.
The linework contained in this file […]
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 […]
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.
To learn more about this project, click on this link to go to the […]
The National Agriculture Imagery Program (NAIP) is a program to acquire peak growing season “leaf on” imagery, and deliver this imagery to USDA County Service Centers, in order to maintain the common land unit (CLU) boundaries and assist with farm programs.
This data is different from our LARIAC imagery because it contains a 4th […]
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)
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 […]
Significant Ecological Areas (SEA) Significant Ecological Area (SEA) means an area that is determined to possess an example of biotic resources that cumulatively represent biological diversity for the purposes of protecting biotic diversity, as part of the Los Angeles County general plan or the city’s general plan. Additional regulations shall be applied based on