Emergency Medical Services (EMS) Agency

GIS and Map System Directory

GIS Home

Welcome to the GIS (Geographic Information System) page of Los Angeles County Emergency Medical Services Agency (EMS). This webpage is composed of GIS data currently being used in the EMS agency for emergency medical service related issues within Los Angeles County. Through this page, the collective maps of emergency system in Los Angeles County are shown using an interactive map application and maps in PDF file format.


The information on this page is designed to display the demographics of the emergency services system in Los Angeles County. These maps are for illustration purposes only. Locations of facilities depicted here are approximate, and are not necessarily true to their locations or scales.

These collective maps and application available on this site were created using the best data available. We have put forth every effort to ensure the accuracy, correctness and current information for the materials presented. However, the agency assumes no responsibility in the event that any information is incorrect. We shall not be liable for any indirect or consequential damages or lost profits to any one as a result of using this data. The user of this information assumes all liability and responsibility for his or her use of this material. Finally, we reserve the right to change or withdraw this data at any time without further notice.

GIS Web Applications: Please use “Google Chrome” for these applications

Hospital Search Helipads
Hospital Search Helipads for Emergency Medical Transport Ground Transports 9-1-1 EOA
EMS Logo Pediatric CPR
Emergency Medical Services Agency Emergency Medical Services for Children Sidewalk CPR
California Region1
California Mutual Aid Regions 1 Repository



Download Maps

You need Acrobat reader to view these maps.  Click to download Acrobat Reader


This collection includes maps of all 9-1-1 Receiving hospitals in Los Angeles County and maps of their Service Areas



This map shows all Los Angeles County Base hospitals

Disaster Resources Centers (DRCs)

All DRCs


Disaster Management Areas










This is a collection of DRC maps and their umbrella hospitals

Emergency Departments Approved for Pediatrics (EDAP)

This map depicts approved emergency departments in Los Angeles specialized in treating Pediatric patients

This map depicts approved emergency departments in Los Angeles specialized in treating Pediatric patients

HEAR-Radio Sites

These maps show radio towers for the HEAR Radio systems and Paramedic Base Radio systems.

ST-Elevation Myocardial Infarction (STEMI) Receiving Centers

ST-Elevation Myocardial Infarction (STEMI) Receiving Centers

This map shows locations of approved STEMI.

Stroke Centers

Stroke Centers

This map displays the location of Stroke Centers

Trauma Center

This collection includes maps showing where trauma centers are and their Service Boundaries drawn in the County