Workers' compensation in Montana: Mandatory. Coverage typically required at 1+ employee. Average premium runs $2.20 per $100 of payroll for a standard risk class. Market type: Competitive + state fund.
Requirement Status
Mandatory
Mandatory for employers
Employee Threshold
1+ employee
Mandatory coverage trigger
Avg Cost Per $100 Payroll
$2.20
Standard risk class average
| Rule | Detail | Notes |
|---|---|---|
| Market type | Competitive + state fund | Where you buy your policy |
| Employee threshold | 1+ employee | Trigger for mandatory coverage |
| Sole proprietor exemption | Sole proprietors and partners without employees are exempt; they may voluntarily elect coverage. | Self-employed coverage rules |
| Industry-specific rules | Construction: covered from first employee. Agriculture: farm and ranch workers are covered for employers with at least one employee. Domestic workers employed 40+ hours/week are covered. | Higher-hazard industries have stricter rules |
Premium rates are state class-code-based. Construction, roofing, and trucking pay $5–$20+ per $100 of payroll; clerical and office work pays $0.10–$0.40. Experience modification factors (EMR) further adjust your final rate.
Montana's workers' compensation system is administered by the Department of Labor and Industry (DLI). The state operates a dual market with Montana State Fund serving as both a competitive carrier and the insurer of last resort. Montana's workers' comp costs are among the highest in the Mountain West, driven by the significant presence of mining, logging, oil field services, roofing, and agriculture — all sectors with elevated injury and fatality rates. Montana State Fund covers a large share of the state's employers, particularly those in rural areas or high-risk classifications who may have difficulty obtaining private coverage. The state's agricultural coverage requirement is broader than most states, covering farm and ranch workers for employers with any employees.
Montana employers in natural resource industries should treat safety program investment as a direct premium reduction strategy — the state's experience modification system rewards low claim frequency and severity with meaningful rate reductions over time. The agriculture coverage requirement means even small ranching operations with one hired hand must carry workers' comp, which surprises operators who assume farm labor is broadly exempt as in neighboring Wyoming or Idaho. Montana State Fund provides stable coverage for employers who cannot access the private market, and its rates are generally competitive with private carriers for most risk classes. Domestic workers employed 40 or more hours per week must also be covered — relevant for household employers in the state's affluent resort communities like Bozeman and Whitefish.
Workers' comp pays medical bills + lost wages for injured workers and provides 'exclusive remedy' protection — employees generally can't sue you for workplace injuries when coverage is in place. Operating without required WC can mean massive personal liability and state penalties.
Montana State Fund is the largest workers' comp insurer in Montana and serves as the insurer of last resort, competing alongside private carriers.
Montana has an open competitive private market — workers' comp is sold by hundreds of private carriers and class-code rates are set by a state rating bureau (typically NCCI).
💡 Montana Pro Tip
Yes. Montana requires all employers with one or more employees to carry workers' compensation, including farm and ranch employers and household employers with domestic workers working 40 or more hours per week. The Department of Labor and Industry enforces coverage requirements and can penalize non-compliant employers.
Montana's average workers' comp cost is approximately $2.20 per $100 of payroll, one of the higher rates in the Mountain West. Logging, mining, and oil field service companies face rates of $10–$25 or more per $100. Even agriculture, retail, and service businesses pay above-national-average rates due to Montana's high-risk industrial profile. Montana State Fund and private carriers compete for business.
Sole proprietors without employees are not required to carry workers' comp in Montana. Voluntary election of coverage is available through Montana State Fund or private carriers. If you work in logging, mining, or construction as a sole proprietor, voluntary coverage is strongly advisable given the serious injury hazards in those industries.
Compliance rules from Montana's Department of Labor and Workers' Compensation Commission; rate averages reflect 2026 NCCI loss cost filings and state fund rate orders.
Sarah Mitchell
Editorial Lead, Catastrophe & Commercial Property
This article was researched and written by the Cover Forge USA editorial team against federal sources (NAIC, CMS, FEMA, DOL, SSA, state DOIs) and standard policy forms. Bylines organize content by topic — they do not assert individual licensure. See our editorial-policy for details.
Reviewed May 2026
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This site provides general educational information only and is not a substitute for professional insurance advice. All rates, data, and coverage details are estimates and may not reflect your actual premiums. Insurance availability and pricing vary by state, insurer, and individual risk factors. Always consult a licensed insurance professional in your state before making coverage decisions.