Washington State Tax Extensions: Business, Personal, Information and Nonprofit Tax Returns
Washington does not have state income tax. So extension of time for personal and business tax extension is not required.
The State of Washington does not have a state income tax. Therefore, there is no state of Washington business income tax
extension. If you received a confirmation email from ExpressExtension that your federal tax extension was approved, there's
nothing more you need to do.
For additional information, including other taxes that may apply to your business, please visit the State of Washington Department of Revenue. http://dor.wa.gov/Content/Home/Default.aspx
We support only federal tax extension forms.