Starting a Business

Do I need workers compensation insurance?

Washington Operational Guidance

Published May 7, 2026 State-specific operational guidance Update This Question
Operational Review Team

This operational guidance was reviewed by the 70 / 30 Business Operations Intelligence Team, specializing in business operations, payroll compliance, workforce automation, licensing, and multi-state operational requirements.

Workers Compensation Insurance Requirements in Washington

In Washington State, workers compensation insurance is mandatory for most businesses that have employees. This insurance provides coverage for medical expenses and lost wages if an employee is injured or becomes ill due to work-related activities.

When You Need Workers Compensation Insurance

  • Employers with one or more employees: Most businesses must carry workers compensation insurance once they hire at least one employee, including part-time and seasonal workers.
  • Business owners with no employees: Sole proprietors and partners are generally not required to have workers compensation insurance unless they choose to cover themselves voluntarily.
  • Subcontractors and independent contractors: Typically, workers compensation applies only if they are classified as employees. Proper classification and contracts are important to avoid misclassification issues.

Operational Actions for Compliance

  • Register with the Washington State Department of Labor & Industries (L&I): Once you hire employees, you must register and obtain coverage through L&I or an approved private insurer.
  • Maintain accurate payroll and employee records: These are essential for calculating premiums and ensuring compliance with reporting requirements.
  • Understand premium calculations: Premiums are based on your payroll and the risk classification of your business activities.
  • Review coverage annually: Update your insurance based on changes in payroll, business activities, or workforce size.

Additional Operational Considerations

Workers compensation insurance intersects with payroll management and employee classification. Proper classification helps avoid penalties and ensures correct premium rates. Additionally, integrating workers compensation with your overall compliance and recordkeeping efforts supports smooth audits and reporting.

Operational References

Operational guidance may vary by state, industry, licensing requirements, workforce regulations, and tax law updates. Businesses should verify compliance, payroll, licensing, and tax requirements directly with official agencies and qualified advisors.

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