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2020 Geo Study

View the key findings and interactive map.

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Decision Issued on WCIRB Pure Premium Rate Filing

The Insurance Commissioner approved advisory pure premium rates that average $1.45 per $100 of payroll.

View the Decision

New WCIRB Medical Research Report Released

Cost Impacts of Medical Care Delays in the California Workers’ Compensation System


WCIRB Launches COVID-19 Resources Page

See answers to your top questions, rules information and more in one place.


WCIRB CompEssentials® Promo

Get reimbursed for CompEssentials online courses and certification through 2020.

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About The WCIRB

The Workers' Compensation Insurance Rating Bureau of California (WCIRB) is California’s trusted, objective provider of actuarially-based, research integral to a healthy workers’ compensation system.

We provide tools to help licensed agents and brokers serve their clients, and educational resources for employers to better understand California’s workers’ compensation system.

Learn more about the WCIRB >

Information for New WCIRB Members >

Join our team! Learn more about WCIRB career opportunities >