Washington State Surplus Line Taxes and Fees
Taxes and fees apply to the entire premium of the policy. State tax and stamping fee are based on the sum of all premiums and fees, including but not limited to policy, broker and/or inspection fees. Stamping fees are based on the policy inception date. Any subsequent endorsements, renewals or other transactions are subject to the stamping fee in effect at the policy’s original inception date.
Use the Tax Calculator to determine the applicable stamping fee and state tax.
Policies with inception dates of January 1, 2025 and later:
.02 State Tax
.0030 Stamping Fee
Policies with inception dates of July 1, 2011 and later:
.02 State Tax
.0010 Stamping Fee
Policies with inception dates of July 1, 2006 to June 30, 2011:
.02 State Tax
.0025 Stamping Fee
Policies with inception dates of June 30, 2006 and before:
.02 State Tax
.0040 Stamping Fee

