Oil & Gas Refining workers comp rate in California
The filed workers comp rate for class code 4831 (Oil & Gas Refining) in California is $4.74 per $100 of payroll , effective 2025-09-01. On $500,000 of payroll, that's roughly $23,700 in base premium.
Rate per $100 $4.74
Rate type advisory_pure_premium
Authority NCCI / state rating bureau
Effective 2025-09-01
Confidence HIGH
FAQ
What is the workers comp rate for code 4831 in California?
The filed workers comp loss cost / rate for NCCI class code 4831 (Oil & Gas Refining) in California is $4.74 per $100 of payroll, effective 2025-09-01.
How much would I pay in California for code 4831 on $500,000 of payroll?
At $4.74 per $100, $500,000 of payroll yields a base premium of $23,700 before experience modifier and schedule credits. Actual cost varies by carrier and underwriting.