General Government – ISD

General Government

photo of a row of homes

ISD maintains critical business application systems which support various general government functions including services provided by the Assessor, Auditor-Controller, the Treasurer-Tax Collector as well as human resources and financial services.


Property tax system

Provides the ability to generate tax bills, calculate and post tax payments and manage revenues and extensions.

Assessor system

Support for over 2.6 million real estate and personal property assessments in Los Angeles County.

Financial & Human Resources

Financial and Human Resources apps assist County departments with accounting, timekeeping and payroll.

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24-hours a day, 365 days a year

Monday-Friday 6am – 6pm

(562) 940-3051

Security compliance
ISD staff provides security features to comply with all legal and regulatory requirements and ensures your data and applications remain secure within the County environment.
24-hour support
In addition to system monitoring and capacity reporting, ISD customers receive 24-hours a day, 365-days a year Help Desk support for problem reporting and resolution.
Experience with County apps
ISD staff bring years of experience in the County information technology systems environment as well as County department operations, workflows and processes.