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The WCIRB will conduct regular maintenance from 5:00 PM PT Friday, Oct 23 to 12:00 AM PT Saturday, Oct. 24. During this time, users may experience intermittent service disruption on WCIRB Connect®, Coverage Research Service Request, the California Workers’ Compensation Coverage Inquiry website, X-Mods & More® and WCIRB AnalyticsPortal.

Amended Pure Premium Rate Filing Submitted to CDI

The WCIRB's Filing proposes advisory pure premium rates that average $1.56 per $100 of payroll.

View the Filing

New WCIRB Research Brief Released

California Workers’ Compensation Aggregate Medical Payment Trends – Updated through Calendar Year 2019


Commissioner Issues Decision on WCIRB Regulatory Filing

In the Decision, the Commissioner approved all of the WCIRB’s proposed changes to the California regulations.

Read the Decision

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.

Learn More

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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 >

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