Watch Bill Mudge and his colleagues discuss how the WCIRB embraces human connectedness.Watch Videos
The Commissioner approved all of the WCIRB’s proposed changes to the USRP, ERP and Miscellaneous Regulations.Learn Changes
Watch the webinar recording to learn about the proposed advisory pure premium rates.Read more
See answers to your top questions, rules information and more in one place.VISIT WEB PAGE
Earn CompEssentials certification through online courses.Learn More
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.