NAIP (National Agriculture Imagery Program) Imagery

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 […]

Significant Ecological Areas (SEA) – Proposed

NOTE:  This layer has been removed following the adoption of the General Plan 2035.  There are no longer “proposed” Significant Ecological Areas.  Please download the Adopted Significant Ecological Areas located here.

Land Use Policy – General Plan 2035

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

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 […]

Countywide Land Use Policy (not in Comm/Area Plan)

Land Use Policy (1980 General Plan)

Please Note:  This layer has been RESCINDED following the adoption of the General Plan 2035.  It will remain on this data portal until February, 2016 as there may still be a need for this layer in this transition period.  Please click here for the […]

Significant Ecological Areas (SEA) – Existing/Adopted

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

Transit Oriented Districts (TOD)

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 […]

Master Plan of Highways

Adopted Countywide Highway / Freeway Plan […]

Zoning (Unincorporated Areas Only)

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 […]

Tax Rate Area Table (2015) – Auditor Controller


This dataset contains TRAs for July 1, 2015.

The Tax Rate Area (TRA) contains the taxing authority for each Tax Rate Area as established by the State Board of Equalization, as well as the tax rates for each authority. It is shown on the property tax bill that is mailed to owners […]

Tax Rate Area Table (2014) – Auditor Controller


This dataset contains TRAs for July 1, 2014.

The Tax Rate Area (TRA) contains the taxing authority for each Tax Rate Area as established by the State Board of Equalization, as well as the tax rates for each authority. It is shown on the property tax bill that is mailed to owners […]

LA City Communities and Planning Areas

A number of LA City boundaries are available, including:

LA City Community Boundaries LA City Neighborhood Council Boundaries LA City Community Plan Areas

Some of these datasets were downloaded from the LA City Planning GIS […]

LA County Bathymetry Data

The USGS developed a number of valuable bathymetric datasets off the coast of Los Angeles County in 1996 that we have loaded into our repository, and are made available here. The datasets include:

Source backscatter data 50 foot contours Bathymetry data in DEM format Hillshade Bathymetric Relief

For more details please visit: 

USGS Geographic Names Information System (GNIS)

This dataset contains the locations for Los Angeles County as noted by the US Board of Geographic Names. It is called the Geographic Names Information System (GNIS), and is the official dataset of all locations and names as recognized by the federal government.

These are points that are shown on USGS Topographic Quad Sheets and […]

2011 Redistricting Data

As part of the 2011 Supervisorial Redistricting process, Los Angeles County prepared a number of methods for citizens to propose their own plans and submit them to the Board for consideration. Click here to go to the Redistricting Site.

Those methods included an online tool to do this, but we wanted to […]

Child Care Provider Facilities

The point data in the Child Care Facilities layer, represents the locations of State licensed child care providers within Los Angeles County.

DPSS has been tasked with the management and administration of the data. A child care facilities locator has been created for the purpose of assisting the public in identifying their nearest […]

DPSS Office Locations


This data is a representation of Department of Public Social Services (DPSS) district office locations, which are accessible to the public.  There are additional offices that are not publicly available and are not included in this layer.  The district offices in this layer, service the public with various programs administered by DPSS.  […]

Tax Rate Area Polygons

Summary The Tax Rate Area Polygon file shows the boundaries of Tax Rate Areas, which is used by the Assessor to assign tax rates to properties. When joined with the Tax Rate Area Table, it can be used to determine the property tax rate for any area of the County.


Districts and cities […]

California Statewide Parcel Boundaries


This is a collection of all of the parcel boundary datasets collected during the last round of parcel data collection by the Information Center for the Environment under funding from the California Strategic Growth Council. This dataset includes one file for each of the 51 counties that were collected, as well as a CA_Merged […]

Specific Plans (Seven in Unincorporated Areas)

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 […]

General Plan 2035 – Proposed Land Use Policy / Zoning

PLEASE NOTE:  These layers have been removed.  The General Plan 2035 was adopted in October, 2015 by the Board of Supervisors, and went into effect on November 5th, 2015, so the Land Use Policy and Zoning are no longer considered “Proposed”.  Please see the following links:

General Plan Land Use Policy




Zoned Districts (ZD)

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 […]

2014 Color Orthophotography – LARIAC4

This dataset represents natural color, leaf-off, 0.33-foot (4-inch) high-resolution, high-accuracy orthorectified aerial imagery, acquired by the Los Angeles Regional Imagery Consortium (LAR-IAC) in winter 2013/2014.  This imagery covers the majority of urban/suburban areas of the County in mainland (approximately 2,898 square miles) and Catalina Island covering approximately 75 square miles.

The rest of the County, […]

Sensitive Environmental Resource Areas (SERA)




These are the Sensitive Environmental Resource Areas (SERAs) identified in the Santa Monica Mountains Local Coastal Program, which was certified by the California Coastal Commission on October 10, 2014 (a link to the resolution is here).  Also known as Biological Resources in the SMM […]

Imagery of Southern California (Orange, Riverside, San Bernardino Counties) – 2014

USGS has now posted 2014 imagery for a portion of the southern California urban region.  New imagery was collected in mid 2014 by USGS contractors for the built up areas around the Orange County and Riverside/San Bernardino urban areas.  This region covers about 2,250 square miles. The images have a one foot resolution and […]

LARIAC4 (2014) 4-inch and 1 foot Orthophoto Imagery Seamline and Date Flown

These dataset contains the dates of the imagery as well as the image chips that were compiled into the 2014 Los Angeles Regional Imagery Acquisition Consortium (LARIAC4) 4-inch and 1-foot color orthophotography.

Each polygon contains an 8 digit number that corresponds to the date the image was acquired (for example, 20140125 corresponds to January […]

DPSS Program Service Area Boundaries

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 […]

LA County Sanitation Districts GIS Page


The LA County Sanitation Districts are a partnership of 24 independent special districts that serve the wastewater and solid waste management needs of approximately 5.5 million people in Los Angeles County (County). The Sanitation Districts’ service area covers approximately 824 square miles and encompasses 78 cities and […]

Port of Los Angeles Berths, Docks, Slips

The Port of Los Angeles manages GIS information about its Berths, Marinas, docks, and slips. They have provided a set of feature classes, including:

Berth Lines Dock Lines Marina Boundaries Slips Dock Structures

You can see the organization of the data in the image on the right.

Download the Data

POLA_Data – zipped […]

Rural Preservation Areas

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 […]

Specific Plans – Proposed

Specific Plan – Proposed

These are Proposed Specific Plans for the unincorporated areas of Los Angeles County.  The adoption of the Antelope Valley Area Plan by the Board of Supervisors (6/16/15) introduced a new Specific Plan Boundary on the Land Use Policy maps for the Centennial project and other adjacent parcels.  This […]

Scenic Drives

Scenic Drives

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 […]

Economic Opportunity Areas

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 […]

Agricultural Opportunity Areas


NOTE:  This layer was rescinded by the adoption of the General Plan 2035 on 11/5/15, and has been removed.  Please refer to the ‘Agricultural Resource Area’ layer (download here).  This identifies areas that are presently or historically used for agricultural purposes. This information was digitized from the 1986 Antelope Valley Hazards and Resources map, […]

Land Use Policy (Comm/Area Plan)


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 […]

Trees in LA County Parks

This dataset contains tree locations and information from 26 parks managed by the Los Angeles County Department of Parks and Recreation.

Data Download

LA County Parks – Trees (phases 1 and 2) – zipped shapefile Shapefile Metadata – pdf format LACO Park Trees Phases 1 and 2 – Excel […]

LA County CAMS Address Locator

From this post you can download an address locator customized for Los Angeles County, as well as the rules that build it.

The County of Los Angeles currently is able to confidently match over 98.8% of incoming addresses. This has been tested against approximately 9 million addresses composed of voters’ addresses, utility addresses, […]

Airport Influence Areas

An Airport Influence Area is the area which current or future airport-related noise, over flight, safety, and/or airspace protection factors may significantly affect land uses or necessitate restrictions on those uses.  It includes airport owned property, Runway Protection Zones (RPZ), inner & outer safety zones and Community Noise Equivalent Level (CNEL) contours.


Airports (Countywide)

Shows all airports in Los Angeles County.  For a link to the Department of Regional Planning’s Airport Land Use Commission page, click here.  UPDATED on 4/27/15 to reflect the name change from El Monte Airport to the San Gabriel Valley Airport

Download Shapefile (.zip)

View in the new LA County Open […]

Zoning Map Grid

The grid that shows the zoning maps that cover the unincorporated areas of Los Angeles County.  This grid follows alignment and numbering system as the Department of Public Works House Numbering Maps.  This was developed as part of the Zoning Map Conversion and Integration Project (ZCIP) – 2002 to 2006.

Updated 4/27/15 […]

Community Standards Districts (CSD)

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 […]

Historic Maps of Los Angeles City (1849, 1908)

Two georeferenced images of historic maps of Los Angeles were downloaded from Earthworks, as posted by SoCalGIS. Since they were georeferenced I thought they might be of interest.

Many thanks to Harvard University Library for scanning and georeferencing these maps.

Click below to download

Proposed SEA Connectivity and Constriction (1st Draft)

THIS LAYER HAS BEEN REMOVED pending the update of the Proposed Significant Ecological Areas Ordinance.  Please visit the SEA Ordinance Page for the latest update on the status of this project (please click here).  Below is the text that was posted in May, 2014 for this layer–FOR INFORMATIONAL PURPOSES ONLY:

This layer is […]

Solar Data Summarized to 2010 Parcels

With the release of the Local Roll to the public (see this data entry) we are now able to release the dataset that supports the LA County Solar Map (

The Solar Map Database contains the results of the 2006 solar model (for details see this data […]

Injury Collisions in Los Angeles County (SWITRS) 2003-2012

The Statewide Integrated Traffic Records System (SWITRS) is collected and maintained by the California Highway Patrol (CHP). SWITRS contains all collisions that were reported to CHP from local and governmental agencies.

The data available here were downloaded from the Transportation Injury Mapping System (TIMS) as UC Berkeley ( TIMS […]

Proposed City Reorganizations (Annexations/Detachments)

The following table provides some information on proposed city reorganizations (annexations/detachments) within Los Angeles County which have been submitted to and accepted by LAFCO for processing. The main purpose of this webpage is  to make available the boundaries of the proposed reorganizations in GIS (shapefile) and image (PDF or JPEG) formats.

If you are looking for city boundaries or city annexation/detachment history, […]

Assessor Parcels – 2014 Tax Roll

Assessor Parcels from the 2014 Tax Roll are now available for download!

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. The Assessor has recently changed its policies and […]

Public Safety Answering Point Boundaries


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 […]

USGS Faults

This dataset contains quaternary faults within 50 miles of Los Angeles County.

Click here to download the shapefile


The source of this data is the USGS Earthquake Hazards Program. The data was downloaded from the Faults and Folds Database website (click […]

Planning Areas

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 […]