Plumbing - Commercial/Industrial workers comp rate in California
The filed workers comp rate for class code 5191 (Plumbing - Commercial/Industrial) in California is $2.29 per $100 of payroll , effective 2025-09-01. On $500,000 of payroll, that's roughly $11,450 in base premium.
Source quote
"Class 5191 2.29"
From NCCI / state rating bureau, effective 2025-09-01.
FAQ
What is the workers comp rate for code 5191 in California?
The filed workers comp loss cost / rate for NCCI class code 5191 (Plumbing - Commercial/Industrial) in California is $2.29 per $100 of payroll, effective 2025-09-01.
How much would I pay in California for code 5191 on $500,000 of payroll?
At $2.29 per $100, $500,000 of payroll yields a base premium of $11,450 before experience modifier and schedule credits. Actual cost varies by carrier and underwriting.
Where else can I see code 5191?
UT has the cheapest filed rate for code 5191 ($0.160) and CA the highest ($2.29). California sits at the 100th percentile across 22 peer states.