WCIRB Contact Center

Telephone: 888.CA.WCIRB (888.229.2472)
Fax: 415.778.7272
Email: [email protected]
WCIRB Contact Center Online Inquiry Form

Hours: Monday – Friday, 7:45 AM – 4:45 PM PT

Workers' Compensation Insurance Rating Bureau of California
1901 Harrison Street, 17th Floor
Oakland, CA 94612
Attn: Contact Center

• To obtain an experience rating worksheet (ratesheet), go to our Policyholder Experience Rating Worksheet Online Request Form page.
• For information about an employer’s worker’s compensation coverage, go to our Coverage Research page.
• To view classification information, use our Classification Search tool.
• To get online access to information and data for insurers, agents and brokers, and other authorized users, learn about and log in to WCIRB Connect^®.
• To learn how to determine ownership and about experience modifications, go to the Ownership page.

WCIRB Speaking Opportunities

If you would like the WCIRB to speak to your organization on workers' compensation topics, please fill out the WCIRB Speaker Online Request Form.

WCIRB Policyholder Ombudsman

Telephone: 415.778.7159
Fax: 415.371.5288
Email: [email protected] 

Workers' Compensation Insurance Rating Bureau of California
1901 Harrison Street, 17th Floor
Oakland, CA 94612
Attn: Policyholder Ombudsman

For information about the role of the WCIRB Policyholder Ombudsman, visit the Policyholder Ombudsman page.

Media Inquiries

If you have press-related questions, please email the WCIRB Customer Experience Department.  

Holiday Schedule

The WCIRB office will be closed in observance of the following holidays:

Other Helpful Workers’ Comp Online Resources

The WCIRB also receives workers' compensation questions that are beyond its jurisdiction. Below is a table that may help answer some of these questions.