Washington Will Raise Workers' Comp Rates 4.9% in 2027
Washington employers will face higher insurance premiums starting January 1 as costs for medical care rise.
Updated on Sept. 28, 2026 in Employment
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The Washington State Department of Labor & Industries has proposed a 4.9% increase in workers' compensation insurance rates for 2027. This adjustment will impact operational overhead for employers, who are responsible for 75% of the total premium cost.
Why it matters
The proposed rate hike aims to offset rising state wage inflation and the increased cost of providing medical and wage replacement benefits to injured workers. Businesses must now account for this added expense in their 2027 labor budgets.
The proposed 4.9% premium increase is expected to raise coverage costs by an average of $1.44 per week for each full-time employee. Employers currently fund 75% of these workers' compensation premiums, while employees cover the remaining 25%.
The players
Washington State Department of Labor & Industries
The state agency responsible for overseeing workplace safety, wage regulations, and the administration of the state workers' compensation insurance system.
The details
Premiums are calculated based on state-level wage inflation, medical costs, and the expenses associated with wage replacement. While the agency utilizes its contingency reserve to help bridge cost gaps, the current benefit obligations necessitate an adjustment to the base rates. Employers will be responsible for their 75% share of the higher premiums, which will be finalized following upcoming public review sessions.
Timeline
October 28, 2026: Virtual public hearing at 10 a.m.
October 29, 2026: Virtual public hearing at 2 p.m. and deadline for public comments.
November 30, 2026: Final rates will be formally adopted.
January 1, 2027: New rates will go into effect.
Market Landscape
This proposal reflects the agency's ongoing management of the Washington state workers' compensation contingency reserve policy. The move follows a pattern of adjusting rates to match systemic medical and wage replacement cost inflation.
Operators should review their 2027 labor budget projections to account for the $1.44 weekly increase per employee. Employers should prepare to update payroll systems to reflect their 75% contribution share effective January 1.
The takeaway
Rising benefit and medical costs are creating a direct impact on operational payroll expenses for Washington employers. Business owners should monitor the outcome of the October public hearings to confirm the final rate shift before finalizing their 2027 financial planning.
What happens next
The department will hold virtual hearings on October 28 and 29, 2026, ahead of the final rate adoption scheduled for November 30, 2026.
Further reading
For more information on labor regulations and compliance, visit the Employment section.
Source note: This article includes information reported by Tri-Cities Area Journal of Business.
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Should employers and workers pay higher rates for state workers' compensation insurance?
