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2017 Total Solar Eclipse Map and Shapefiles

Map of the solar eclips

In case you are getting excited about the upcoming Solar Eclipse, NASA has provided a set of shapefiles that will help you determine the exact coverage where you are. Or figure out where to hide :).

There are a couple of different versions – both small and large […]

CalEnviroScreen 3.0

In January 2017, The California Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA) released the latest version of CalEnviroScreen. Below is a brief description from their website. On their website you will be able to view the data with interactive maps, read the report in […]

New City of Pomona Reorganization No. 2015-14 (Detachment from Diamond Bar and Annexation to Pomona)

Reorganization No. 2015-14 to the City of Pomona ( Detachment from City of Diamond Bar) became effective April 13, 2017. To download the shapefile of the detachment/annexation boundary, click on the link below. The overlapping polygons indicate territories that transferred between cities.

Reorganization No. 2015-14 to City of Pomona ( Detachment from City 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 […]

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 […]

Countywide Statistical Areas (formerly called Board Approved Statistical Areas) – Final Draft

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 […]

Los Angeles County Fire Department Station Boundaries

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 here for shapefiles

Los Angeles County Road Maintenance District Boundary

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

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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 […]

Airport Land Use Commission (ALUC) layers

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

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.

Download […]

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 […]

DRP – 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 […]

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 […]

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 promote dark skies for the enjoyment and health of humans […]

Equestrian Districts (EQD)

Equestrian Districts

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

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 […]

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 […]

Countywide Building Outlines – 2014 Update – Public Domain Release

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) […]

Department of Parks and Recreation Countywide Parks and Open Space

Our department maintains countywide park and open space data. It contains park and open space data for the entire County of Los Angeles. Much of this data was a result of our Park Needs Assessment, but there have been refinements since this projects completion. This layer is the most complete and comprehensive park and open […]

Santa Monica Mountains Local Coastal Plan – GIS layers

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, […]

California Street Name Lookup

Download: streetz.zip

Brief How-To: california_street_name_lookup

Misspelled street names are a major cause of geocoding errors. This simple tool provides a current list of street names from all over California that you can look up by street name, ZIP Code, or postal city. This download includes a SQLite database (streets.db) and a […]

Water Purveyor Service Areas

Abstract:

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.

Download Data (last update 2016)

A list of Water Companies is attached in this Excel File: Water […]

Park Needs Assessment

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 […]

Trail-Related Facilities

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.

DPR Trail Access Points

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.

NAIP Imagery – Early Access available

Current Imagery

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 […]

Los Angeles County Fire Department Map Index Grid

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.

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Los Angeles County Fire Department Battalion Boundaries

Fire Battalion boundaries for the Los Angeles County Fire Department. Currently there are 22 Battalions in the Department.

Click here for shapefiles

Los Angeles County Fire Department Division Boundaries

Fire Division boundaries for the Los Angeles County Fire Department. Currently, there are 9 Divisions in the Department.

Click here for shapefiles

Los Angeles County Fire Department Region Boundaries

Fire Region boundaries for the Los Angeles County Fire Department. Currently, the are 3 Regions in the Department.

 

Click here for shapefiles

General Plan Buildout

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 […]

USGS Quad Map Grids

Pasadena Quad

These datasets contain the geographic extent of USGS 1:24,000 topographic maps (7.5- by 7.5-minute quadrangles).

Data Downloads

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 – 2015 Tax Roll

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 […]

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 […]

Subdivision Activity (Unincorporated Areas Only)

Subdivision Activity

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 […]

Oil and Gas GIS Data

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 data.

GIS Data […]

US Maritime Limits and Boundaries

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 the coast as marked on […]

OpenStreetMap (OSM) California Downloads

Download: OSM California Streets, etc. (Geofabrik)

Download: OSM Land Polygons (Jochen Topf and Christoph Hormann)

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 […]

Los Angeles County Fire Department Jurisdictional 2000 Meter Grid

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 […]

Coastal Oblique Imagery (February 2016)

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 zone management as well […]

Planet Labs releases open California imagery datasets

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 in […]

Homeland Infrastructure Foundation Level Data (HIFLD) Open Data Portal

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 good information there.

HIFLD Open […]

RRCC Precinct Map Index

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 […]

RRCC Map Index

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.

Mile Markers

Click Here to Download

Summary

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 number […]

Los Angeles County Flood Control District Right-of-Way Parcels

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.

 

Download: LACFCD […]

Census Tract & City Split Areas (AKA Split Tracts) File

Census Tract & City Split Areas (AKA Split Tracts) File, to be used for demographic estimates.

This file contains 2010 Census Tracts Split by Legal City Boundaries. This file is also known as the Split Tracts file. It is used to estimate population changes over time. The Census Tract boundaries have been altered where necessary […]

CENSUS TRACTS

The Census Bureau (http://www.census.gov/) maintains geographic boundaries for the analysis and mapping of demographic information across the United States. Every 10 years the Census Bureau counts the population of the United States as mandated by Constitution. The Census Bureau releases the results of this county as demographic data with geographic identifiers so […]