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Michigan Workers Comp Class Codes & Rates

Michigan workers' compensation insurance is regulated by the Michigan Department of Labor and Economic Opportunity. The Michigan Workers' Compensation Placement Facility (MWCPF), administered by CAOM, provides assigned risk coverage for employers who cannot obtain coverage in the voluntary market.

Rating Org

CAOM

Effective

2026-01-01

Avg Rate

—

Codes Listed

55+

Do you have to carry workers' comp in Michigan?

Yes, once you have 3 employees, or even 1 who works 35+ hours a week for 13 of the last 52 weeks. Michigan's Workers' Disability Compensation Agency runs the system.

Source: MCL 418.115; the Act's "director", MCL 418.161(5).

Do I have to carry it in Michigan?

Does at least one of them work 35+ hours a week?

Has that been true for 13 or more of the last 52 weeks?

Answer

Not required by the headcount test

Based on MCL 418.115: 3 or more employees, or 1 working 35+ hours a week for 13+ of the last 52 weeks.

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Skipping coverage is a misdemeanor, and each day counts separately: up to $1,000, 6 months, or both. Injured workers can also sue you directly.

Source: MCL 418.641(1)-(2).

Two numbers, one code

Every Michigan code on this site shows the Facility rate in force today and the one coming on January 1, 2027. The page switches to the new figure on that date.

Current (1/1/2026) · Code 5551

6.622

per $100 payroll · min premium $750 · Circular #318

Upcoming (1/1/2027) · Code 5551

6.447

per $100 payroll · min premium $750 · Circular #323

Either year, the minimum premium is the rate × 125 plus the $200 expense constant, never more than $750. Only the per-code minimum moves, because the rate moves.

For 1/1/2026, Facility rates fell 9.3% on average (contracting fell 10.8%). For 1/1/2027 they rise 2.2% on average. Officer payroll limits go from $633–$2,500 a week to $667–$2,700.

Source: CAOM Michigan Placement Facility (assigned-risk) rates, effective 1/1/2026, MWCPF Circular #318. Upcoming: CAOM Facility (assigned-risk) rates effective 1/1/2027, MWCPF Circular #323.

Hiring subs? Their coverage gap becomes yours

If a contractor you hire has no workers' comp, you pay its workers' injury claims. Collect a certificate before anyone starts.

Source: MCL 418.171(1).

Sub COI checklist

  • Certificate names the sub's business exactly as on your contract.
  • Policy dates cover the full job.
  • Michigan is listed as a covered state.
  • You keep a copy on file before work begins.
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Who counts as an employee? Michigan uses an employee test plus the IRS 20-factor test, and W-2 withholding means a worker is presumed an employee.

Source: MCL 418.161(1)(n).

Owners of 10% or more in an entity with 10 or fewer owners can opt out in writing.

Source: MCL 418.161(3)-(4).

Michigan code directory

CodeCurrent 1/1/2026Upcoming 1/1/2027
Code 00051.566—
Code 00422.2352.345
Code 01062.9632.920
Code 20211.667—
Code 21101.586—
Code 25011.106—
Code 25851.548—
Code 30040.792—
Code 30302.395—
Code 30812.003—
Code 32411.496—
Code 42990.842—
Code 50223.037—
Code 50404.530—
Code 50598.904—
Code 51601.128—
Code 51831.507—
Code 51901.230—
Code 52132.9923.047
Code 54032.955—
Code 54372.936—
Code 55071.945—
Code 55383.412—
Code 55516.6226.447
Code 56060.462—
Code 56453.9724.058
Code 62043.621—
Code 62172.044—
Code 64002.502—
Code 72193.763—
Code 73802.870—
Code 73821.881—
Code 80060.943—
Code 80100.771—
Code 80170.582—
Code 80181.888—
Code 80391.021—
Code 80441.157—
Code 80450.325—
Code 82793.296—
Code 82922.227—
Code 83930.910—
Code 83951.050—
Code 86010.158—
Code 87420.121—
Code 88100.061—
Code 88200.039—
Code 88320.174—
Code 88351.022—
Code 90520.666—
Code 90630.384—
Code 94035.942—
Code 82271.5381.659
Code 83921.0211.023
Code 94022.0281.992

Rates per $100 payroll. CAOM Michigan Placement Facility (assigned-risk) rates. "—" means the 1/1/2027 value hasn't been checked against Circular #323 yet.

Source: CAOM Michigan Placement Facility (assigned-risk) rates, effective 1/1/2026, MWCPF Circular #318. Upcoming: CAOM Facility (assigned-risk) rates effective 1/1/2027, MWCPF Circular #323.

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