Washington Workers' Comp: What the Monopolistic State Fund Means for Your Business

Washington is one of four monopolistic states for workers' comp. You can't shop carriers — you buy from the state. Here's how L&I works and what it costs.

State Guides | 7 min read | 2026-03-18

Washington is one of four monopolistic states for workers' comp — you can't shop carriers. Here's how the state fund works, what it costs, and how to manage your premiums.

Washington is one of only four states (along with Ohio, North Dakota, and Wyoming) that operates a monopolistic workers' compensation system. This means private insurance carriers cannot sell workers' comp policies in Washington. Every employer must purchase coverage through the Washington State Department of Labor & Industries (L&I) — or qualify for self-insurance.

In This Article

• Washington's Monopolistic Workers' Comp System
• What Does It Cost? Washington's Rate Ranking
• How L&I Differs from Private Insurance
• Self-Insurance: The Alternative for Larger Employers
• Coverage Requirements and Penalties
• What About Other Coverage Lines?

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