Information Technology Services – ISD

Information Technology Services

Innovative technology solutions to maximize County resources.

ISD Information Technology Services delivers reliable and secure solutions to support Los Angeles County’s technology needs. Providing services to a workforce of more than 70,000 employees in over 40 County Departments, we safeguard and support mission-critical systems, networks and data. Our comprehensive information technology services include:

  • Application development and maintenance
  • Data Center operations
  • Telecommunications support
  • Customer Assistance Center operation
  • Countywide email solutions
  • Cloud computing services

Explore Information Technology Services by clicking on the Service Catalog button to access our state-of-the-art service management system.

County employees experiencing IT issues, log in to the eService Portal to submit your request.

Service Owner

Dave Wesolik
General Manager

9150 E. Imperial Highway
Downey, CA 90242


ISD develops and maintains custom applications to support vital operations for County Departments on a wide variety of platforms including mainframe systems, web and mobile applications, GIS applications, and software-as-a-service.
ISD Data Centers process millions of transactions each day from over 40,000 computers. Information Technology Services is implementing state-of-the-art technologies for cloud computing, network security, and disaster recovery.
Los Angeles County's communications network includes more than 13,000 mobile phones, 800 network locations and 100,000 telephone lines. ISD also supports the Countywide Integrated Radio System which ensures essential services in a crisis.
ISD Shared Technology Services manages several critical Countywide systems including Countywide email, the Customer Assistance Center Help Desk and 4-1-1 Information Line as well as field services for computer workstation and business machines support.