Los Angeles County established the Countywide Address Management System (CAMS) as a centralized repository of authoritative physical (civic or situs) addresses. CAMS is critical for effectively providing services used by many departments in Los Angeles County. When used in tandem with other essential County data systems, CAMS helps support the health, safety, and welfare of those who live and work in the County of Los Angeles.

The Internal Services Department (ISD) Enterprise GIS Section (eGIS) manages and maintains the infrastructure behind the successful program. 

The Countywide Address Management System (CAMS), by the Board of Supervisors, has established CAMS as the County of Los Angeles official aggregator for civic addresses, as confirmed on the November 1st, 2022, Board of Supervisors Agenda. (Board proceedings.

CAMS consists of three parts: 


CAMS Data

CAMS Applications


CAMS GeoSearch

CAMS Partners


All 88 incorporated City jurisdictions are considered partners in the Countywide Address Management System (CAMS) Program. Partners in the broader context are organizations, agencies, and entities that collaborate with Los Angeles County to maintain and utilize a unified, authoritative system for managing address data. These partners contribute to and benefit from accurate, standardized address information that supports a wide range of public services and operations. 


Incorporated City Jurisdictions Information
General Partner Information


Who Uses CAMS Data & Services?


By providing a centralized, authoritative address information source, CAMS is a critical resource for government entities, private organizations, and the broader community, ensuring efficient operations and enhanced quality of life across Los Angeles County.

In general, Los Angeles County visitors, residents, and businesses benefit indirectly from improved services driven by CAMS's accurate address-related data. 

  • Address data powers platforms like Google Maps, Waze, and Apple Maps for directions and navigation. 
  • Delivery services, ride-hailing apps (e.g., Uber, Lyft), and public transit systems use address data to optimize routes and improve efficiency. 
  • Platforms like DoorDash, Grubhub, and Uber Eats rely on precise addresses for prompt service.
  • Address data is critical for real estate platforms like Zillow and Redfin to show available properties.
  • Addresses determine school zoning and eligibility for enrollment.
  • Residents can use their addresses to locate nearby parks, libraries, and community centers.
  • Addresses determine polling locations and legislative districts.
  • Precise addresses ensure reliable mail delivery.
  • Accurate addresses are crucial to conducting population counts and gathering demographic data.
  • Addresses identify communities for vaccination drives or health outreach programs.
  • Address data helps plan evacuation routes and identify at-risk areas during natural disasters. 
  • Accurate addresses allow utility providers to notify affected customers during service interruptions.
  • Addresses are used to send official communications and alerts.


Address data profoundly impacts everyday life, enabling efficient delivery of goods, services, and information. Its use extends beyond government agencies, benefiting individuals, businesses, and the community. Maintaining CAMS as the single authoritative source for address information within Los Angeles County supports the critical services of life for visitors, residents, and businesses locally and throughout the region. 

LA County Service Locator

Service Locator

CAMS Locators are used to preform search based on an address.

EpicLA permitting system from DPW

EPIC - LA

CAMS data and locators are used as the reference for permit applications.

Bridge Club, 1954

RRCC Precincts Maps

Address information is used as the search functionality.


CAMS Team Members
  1. Rachel R. Marquez
    Individual
    RRodriguez3@isd.lacounty.gov_lacounty | Created: 1/23/2018
  2. Shannon Julius
    Individual
    SJulius@isd.lacounty.gov_lacounty | Created: 6/9/2021
  3. eGIS Administration Account
    Individual
    egis@isd.lacounty.gov | Created: 9/5/2017