Income tax

No income tax in Washington state

Washington state does not have an individual or corporate income tax. However, it does levy other types of taxes such as business and occupation (B&O) tax, retail sales or use tax, public utility tax, and other taxes.

Federal income tax

For information about federal income tax, including whether Washington state residents may deduct state and local general-sales tax on their federal income returns, visit the IRS website. 

References

WAC 458-20-101 – Tax registration and tax reporting.