Learn how claim duration differs regionally across the state. Register for the webinar!Read the Report
WCIRB releases multibureau COVID-19 analysis. Register for the webinar!Learn More
View the key findings and interactive map.Read more
Watch Bill Mudge and his colleagues discuss how the WCIRB is recharging relationships with our customers.Watch Video
Earn Continuing Education credits and 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.