Log In

Moving to LA County Chief Data Officer

I wanted to let folks know that I have accepted the position of the Chief Data Officer of the County of Los Angeles, effective today, Thursday, June 16th, 2016.

Sorry for any multiple cross-postings, but I wanted to provide this information as broadly as possible.

After 10 years as LA County’s Geographic Information Officer, and […]

LA County GIS Data Catalog

In order to make our data easier to find, sometimes a nice table or spreadsheet is what you want. We have created a new page which lists all of the GIS Data Los Angeles County has identified in its systems, compiled and organized, with active links on this site to where the data can be […]

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 […]

Data Portal Terms of Use have changed

Please read the new GIS Data Portal terms of use.

LA County GIS Data Portal reaches 1 million hits

Late last week the LA County GIS Data Portal reached a pretty cool milestone – 1 million views!

We started our site to share the County’s GIS data back in 2009, and got 269 views that year.

In 2010, we ramped up to 6,706 views – but as you can see from the […]

LA County Open Data Portal goes live

This morning LA County launched its Open Data Portal at https://data.lacounty.gov/. Beyond GIS data, the data portal expands the scope of our open data efforts to non-GIS data, including budget and finance information.

Developer tools and Open APIs enable developers to leverage the data as a service, and to build applications against […]

Hands-on QGIS Workshop materials

As part of GIS Day 2014 (see http://gis.lacounty.gov/gisday), John Hickock from our Public Works Department developed a brief training for our 2014 GIS Day event, which will give you an introduction to QGIS and some data resources to get started.

He has made the links and resources available, so we are publishing that […]

LA County GIS Viewer Upgrade #1 – Googly Search!

Googly Search

Have you ever wanted the searches in our GIS applications to be more “Googly” – where as you type you get suggestions on the rest of the entry? I have dreamt about this. With the recent upgrade of our GIS Viewers to the newest versions of Essentials from Latitude Geographics […]

LA County GIS Viewer Upgrade – April 26, 2014

This in an important announcement regarding a number of GIS applications maintained by the County of Los Angeles.

On Saturday, April 26th, 2014, the Enterprise GIS Group will be upgrading all of the Geocortex GIS Viewers to the newest version. Geocortex Essentials 4 is a major new release of this software, and forms the foundation […]

Instructional Videos

We have a pair of instructional videos for the LA County GIS Data Portal that will help you make better use of the data available on this site. The first video shows you how to find and download GIS data from our site, while the second shows you how to use free software to […]

LARIAC4 approved by the Board of Supervisors


This Tuesday, December 3rd, the LA County Board of Supervisors approved the contract with Pictometry International Corp to acquire digital aerial imagery and QAQC services – collectively known as LARIAC4.

Link to the Board Agenda (LARIAC4 is item 15) Link to the Approved contract

As the project director, I am excited […]