WCIRB Contact Center
WCIRB Contact Center Online Inquiry Form
- Telephone: 888.CA.WCIRB (888.229.2472)
- Hours: Monday – Friday, 7:45 AM – 4:45 PM PT
- Fax: 415.778.7272
Workers’ Compensation Insurance Rating Bureau of California
1901 Harrison Street, 17th Floor
Oakland, CA 94612
Attn: Contact Center
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 Employer Resources page.
Quick Links
- 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.
Holiday Schedule
The WCIRB office will be closed in observance of the following holidays:
| Holiday | Date |
| New Year’s Day | Monday, January 1, 2024 |
| Martin Luther King Jr. Day | Monday, January 15, 2024 |
| Presidents’ Day | Monday, February 19, 2024 |
| Memorial Day | Monday, May 27, 2024 |
| Independence Day | Thursday, July 4, 2024 |
| Labor Day | Monday, September 2, 2024 |
| Thanksgiving | Thursday, November 28, 2024 Friday, November 29, 2024 |
| Christmas | Tuesday, December 24, 2024 Wednesday, December 25, 2024 |
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.
| Question or Issue | Resource |
| Insurer rate filings Questions about insurers’ rate filings and their approved premium rates by classification code. | California Department of Insurance – Rate Filing Division |
| Premium audit disputes Questions about premium audit disputes regarding your insurance policy should be directed to your insurance carrier. | Each insurer is required to have a dispute process outlined in a Notice to Policyholder within the insured’s policy. More information is available at the California Department of Insurance’s website. |
| Claims Handling Issues | Division of Workers’ Compensation, Department of Industrial Relations |
| USL&H coverage Questions regarding USL&H coverage. | US Department of Labor |
| Obtaining a workers’ compensation insurance policy Questions about which workers’ compensation insurance carriers provide insurance in California. | CDI – Licensed California insurers and rate comparison |
| Insurer contact information | CDI – Insurance Company Profiles |
| Employment status Questions about rules and regulations regarding employment status. | California Department of Industrial Relations |
| Employee exclusions on a policy | California Labor Code §3352 |
| Insurance fraud Questions about insurance fraud and how to report insurance fraud. | California Department of Insurance – Fraud Division |