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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, […]

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 […]

Parking Lot Boundaries – Commercial, Industrial, Government (2014)

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.

Download

LARIAC_PARKING_LOTS_2014 (zipped shapefile)

Description

The Los Angeles County Office of Sustainability funded the development of this dataset in order to support the identification […]

NPMS PIPELINES AND NPMS BREAKOUT TANKS IN L.A. COUNTY

These data sets are for the purpose of tracking all gas transmission pipelines, hazardous liquid transmission pipelines, and LNG plants in the United States as well as some breakout tanks. The data will be used to support the assessment risk associated with the Nation’s liquid and gas pipeline infrastructure.

Note: This dataset contains […]

Locations/Points of Interest (LMS Data) – January 2016

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

Download the data

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 […]

Public GIS Mapping Services

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 can be downloaded from […]

Department of Public Works Field Facilities – Points

 

Abstract:

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.

Purpose:

To locate public […]

CDC Public Housing Sites (polygons)

Summary:

This dataset contains the locations of public housing and affordable housing sites owned or operated by the Housing Authority of the County of Los Angeles (HACoLA).

Description:

The Housing Authority of the County of Los Angeles (Housing Authority)(HACoLA) serves in Los Angeles County, administering the Public Housing program. The Public Housing program manages 3,229 […]

CDC Public Housing Sites (points)

Summary:

This dataset contains the locations of public housing and affordable housing sites owned or operated by the Housing Authority of the County of Los Angeles (HACoLA).

Description:

The Housing Authority of the County of Los Angeles (Housing Authority)(HACoLA) serves in Los Angeles County, administering the Public Housing program. The Public Housing program manages 3,229 […]

CDC Offices

Summary:

This dataset contains the locations of the Community Development Commission of the County of Los Angeles (CDC) office and affordable housing programs administrative and property management offices.

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 […]

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 […]

LA County Sanitation Districts GIS Page

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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 unincorporated territory within the County.

[…]

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 – […]

Historic Resources

This dataset contains a polygon layer of historic resources in Los Angeles County.

Data Download Link

Historic_Resources – Zipped ESRI shapefile

 

 

Electricity Transmission Lines – Southern California Edison

Southern California Edison’s Distributed Energy Resource Interconnection Map (DERiM) aims to connect developers with the SCE system data needed to enable strategic distributed energy resource siting.

SCE is continually looking for ways to improve DERiM data and customer experience. Stay tuned for additional map content!

Click here to open the DERiM application

[…]

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 Table […]

US Forest Service Enterprise Data

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 access the site

They also make a number of web services available at

LA County Land Types

Current date of the data: August 2015

The Land Types dataset is a public domain dataset managed by the County of Los Angeles which includes various types of land use that are critical for mapmaking and geographic analysis. The data has been created to match parcel boundaries where possible, and digitized from 4-inch aerial photography […]

Orange County GIS Data

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

As well, Orange County Transportation Authority has a website to download […]

Countywide Building Outlines – 2014

LA County, through its LARIAC program, has updated its 2008 building outlines to incorporate changes since the buildings were initially captured in 2008 (click here to view and download that data).

This new data is NOT public – you must be a member of LARIAC to access it. If you are interested in […]

Substructure Maps

Substructure Maps Grid

A limited number of Substructure maps in “pdf” format are available via GIS polygons representing grids containing URL links. Across various areas of Los Angeles County, paper maps were created by the Department of Public Works (DPW) and its predecessors to show underground utilities such as cable TV, gas, […]

Los Angeles County Sanitary Sewers

The Consolidated Sewer Maintenance District (CSMD) of Los Angeles County is administered by the County of Los Angeles Department of Public Works (DPW).

For the list of cities served, operational maps, or for more information about the CSMD, please visit the November 7th, 2013 | Tags: , , , , | Category: Basemaps and Grids, Free, Infrastructure, Public Works | 2 comments

DCFS SITES

The file is used to generate maps for planning purposes. It is also used as a basemap for GIS web applications showing the each DCFS Regional Offices and satellite sites location. The file is geocoded based on the address locations of each DCFS Regional Offices and Site location. […]

Los Angeles County Storm Drain System

Sample Channels, Gravity Mains, Catch Basins, etc.

The Los Angeles County Storm Drain System is a geometric network model representing the storm drain infrastructure within Los Angeles County. The long term goal of this network […]

Hospital Emergency Room Locations and Entry Points

Point layer of hospital emergency room locations with entry points into the facility. All locations used by the Los Angeles County Fire Department. This layer is used with our AVL system to assist squads and engines.

Download the zipped shapefile: Hosp_entry_pnts.zip

Los Angeles County Fire Hydrant Layer

102,700 hydrants within the County of Los Angeles Fire Department’s service territory.

Download the zipped shape file: Los Angeles County Fire Hydrants

Marina del Rey Docks

All of the docks in Marina del Rey, with dock numbers, owners and addresses. Updated June 2011 to reflect reconfiguration of various docks.

Download data here:

Marina del Rey Docks

Marina del Rey Boat Slips

All of the boat slips in Marina del Rey, with slip and dock numbers, dock owners and addresses. Updated June 2011 to reflect reconfiguration of various docks.

Download data here:

Marina del Rey Boat Slips

FCC Licensing Database Extracts

The FCC makes a number of datasets available that cover the various communications data out there.

Their primary GIS data download page is here: http://wireless.fcc.gov/geographic/index.htm?job=licensing_database_extracts

To download LA County Data

The LA County extract of this data is part of the Locations/Points of Interest dataset that is available for download from this site. […]

Countywide Building Outlines – 2008 – Public Domain

November 1, 2012 – 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).

[…]

County owned buildings (2D and 3D models)

Details

May 10, 2013 – added the 2D building outlines

Models of County owned buildings in three formats (shape, multipatch, and KML). These buildings were created for the LA County Solar Map and were used for high resolution modeling of solar potential

Downtown Area

for each building.

[…]

2006 Buildings (2-foot raster)

Coverage

Buildings for the urban/suburban areas of the County of Los Angeles developed from information captured in 2006 by the LAR-IAC program.

This dataset was developed by the County of Los Angeles Chief Information Office in support of the LA County Solar Map Application (http://solarmap.lacounty.gov). A solar model […]