Washington Excise Ta …

Washington Excise Tax Due Dates 2025. This tax is levied on the business and is based on its gross revenue. If you’re a business owner in washington state, understanding the excise tax is crucial to staying compliant with state tax laws.

Read the information below to find out when your tax return is due. Annual due dates are listed below for the combined excise tax return, business & occupation activities return, and retailing & other.