Illinois · NCCI / state rating bureau

Millwright, installation/erection of machinery workers comp rate in Illinois

The filed workers comp rate for class code 3724 (Millwright, installation/erection of machinery) in Illinois is $4.02 per $100 of payroll , effective 2026-01-01. On $500,000 of payroll, that's roughly $20,120 in base premium.

Rate per $100 $4.02
Rate type advisory_rate
Authority NCCI / state rating bureau
Effective 2026-01-01
vs peers 86%
Confidence HIGH

FAQ

What is the workers comp rate for code 3724 in Illinois?

The filed workers comp loss cost / rate for NCCI class code 3724 (Millwright, installation/erection of machinery) in Illinois is $4.02 per $100 of payroll, effective 2026-01-01.

How much would I pay in Illinois for code 3724 on $500,000 of payroll?

At $4.02 per $100, $500,000 of payroll yields a base premium of $20,120 before experience modifier and schedule credits. Actual cost varies by carrier and underwriting.

Where else can I see code 3724?

UT has the cheapest filed rate for code 3724 ($0.590) and NJ the highest ($5.87). Illinois sits at the 86th percentile across 22 peer states.