Wisconsin Contractor Insurance Requirements
Wisconsin requires workers' compensation for all employers with three or more employees, or for any employer who has paid $500 or more in wages during any calendar quarter. The Department of Workforce Development enforces WC compliance. The Department of Safety and Professional Services licenses contractors. Wisconsin's manufacturing and dairy industries mean many contractors hold specialized coverages for industrial and agricultural properties.
Wisconsin COI Requirements at a Glance
The following table summarizes the minimum insurance requirements for contractors operating in Wisconsin. Commercial property managers often require limits above state minimums.
| Coverage Type | Minimum / Status |
|---|---|
| General Liability (per occurrence) | $300,000 |
| General Liability (aggregate) | $600,000 |
| Workers' Compensation | Mandatory 3+ employees or $500 wages in a quarter |
| Umbrella / Excess Liability | Commonly Required on Large Projects Common minimum: $1,000,000 |
| Additional Insured Endorsement | Commonly Required |
| Waiver of Subrogation | Commonly Required |
Coverage Notes
GL: Wisconsin contractor licensing requires $300K per occurrence minimum. Milwaukee commercial projects typically require $1M/$2M.
WC: Wis. Stat. § 102.04 requires WC for employers with 3+ employees or who have paid $500+ in wages in any calendar quarter. The low wage threshold means most contractors trigger the mandate quickly.
Umbrella: Required on state agency contracts and larger commercial projects in Milwaukee and Madison.
Additional Insured: Standard on commercial property management contracts.
Waiver of Subrogation: Standard on Wisconsin commercial construction contracts.
Wisconsin-Specific Laws & Regulations
These laws directly affect how contractor insurance requirements are structured in Wisconsin. Property managers should be familiar with these statutes when reviewing vendor COIs.
Wisconsin Workers' Compensation Act (Wis. Stat. § 102.04)
Requires WC for employers with 3+ employees or who have paid $500+ in wages in any calendar quarter. The wage threshold effectively captures most contractors.
Wisconsin COI Frequently Asked Questions
Common questions from property managers and contractors about insurance requirements in Wisconsin.
Do contractors in Wisconsin need workers' compensation?
Wisconsin requires workers' compensation for employers with three or more employees, or for any employer who has paid $500 or more in wages during any calendar quarter. The low wage threshold means most contractors who hire even seasonal part-time workers will trigger the WC mandate.
What are the minimum insurance requirements for Wisconsin contractors?
Wisconsin contractor licensing requires at least $300,000 per occurrence GL. Milwaukee and Madison commercial property managers typically require $1M/$2M GL with workers' compensation and additional insured endorsements.
What is Wisconsin's $500 wage threshold for workers' comp?
Wisconsin's WC mandate is triggered when an employer pays $500 or more in wages during any single calendar quarter, even with fewer than 3 employees. This effectively requires WC for any contractor who hires workers — even part-time or seasonal help — within a given quarter.
What COI requirements are standard for Milwaukee commercial property?
Milwaukee commercial property managers typically require $1M/$2M GL, workers' compensation, additional insured endorsement, and waiver of subrogation. For industrial and manufacturing facility contractors, also request installation floater and contractor's equipment coverage.
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