California State Fund Workers' Compensation Rates by Class Code

California State Fund workers' compensation rates by class code reflect the state-facilitated insurer's use of the same rating schedule and class codes as private carriers, with differences in availability, underwriting focus, and optional discounts. Each class code corresponds to a specific job classification with an associated base rate per $100 of payroll; premiums are calculated by multiplying the rate by the employer's payroll and any experience modifier. The following explains how these rates work in California, what distinguishes the State Fund, and how employers can manage their exposures.