Important! Disaster Relief

Revenue will work with businesses that cannot file or pay their taxes on time due to the recent flooding in Washington state. Learn more about disaster relief resources available for flood-impacted businesses and individuals.

2021 Excise tax return due dates

Read the information below to find out when your tax return is due. If the due date falls on a weekend or legal holiday, the due date is extended to the next business day.

Monthly Quarterly Annual

 


Monthly due dates

January return

  • Due date: 02/25/21
  • 9% penalty begins: 02/26/21
  • 19% penalty begins: 04/01/21
  • 29% penalty begins: 05/01/21


February return

  • Due date: 03/25/21
  • 9% penalty begins: 03/26/21
  • 19% penalty begins: 05/01/21
  • 29% penalty begins: 06/02/21


March return

  • Due date: 04/25/21
  • 9% penalty begins: 04/27/21
  • 19% penalty begins: 06/02/21
  • 29% penalty begins: 07/01/21


April return

  • Due date: 05/25/21
  • 9% penalty begins: 05/26/21
  • 19% penalty begins: 07/01/21
  • 29% penalty begins: 08/03/21


May return

  • Due date: 06/25/21
  • 9% penalty begins: 06/26/21
  • 19% penalty begins: 08/03/21
  • 29% penalty begins: 09/01/21


June return

  • Due date: 07/25/21
  • 9% penalty begins: 07/27/21
  • 19% penalty begins: 09/01/21
  • 29% penalty begins: 10/01/21

July return

  • Due date: 08/25/21
  • 9% penalty begins: 08/26/21
  • 19% penalty begins: 10/01/21
  • 29% penalty begins: 11/02/21


August return

  • Due date: 09/25/21
  • 9% penalty begins: 09/28/21
  • 19% penalty begins: 11/02/21
  • 29% penalty begins: 12/01/21


September return

  • Due date: 10/25/21
  • 9% penalty begins: 10/26/21
  • 19% penalty begins: 12/01/21
  • 29% penalty begins: 01/04/22


October return

  • Due date: 11/25/21
  • 9% penalty begins: 11/30/21
  • 19% penalty begins: 01/04/22
  • 29% penalty begins: 02/01/22


November return

  • Due date: 12/25/21
  • 9% penalty begins: 12/28/21
  • 19% penalty begins: 02/01/22
  • 29% penalty begins: 03/01/22


December return

  • Due date: 01/25/22
  • 9% penalty begins: 01/26/22
  • 19% penalty begins: 03/01/22
  • 29% penalty begins: 04/01/22

 


Quarterly due dates

Quarter 1, 2021 return

  • Due date: 04/30/21
  • 9% penalty begins: 05/01/21
  • 19% penalty begins: 06/02/21
  • 29% penalty begins: 07/01/21


Quarter 2, 2021 return

  • Due date: 07/31/21
  • 9% penalty begins: 08/03/21
  • 19% penalty begins: 09/01/21
  • 29% penalty begins: 10/01/21

Quarter 3, 2021 return

  • Due date: 10/31/21
  • 9% penalty begins: 11/02/21
  • 19% penalty begins: 12/01/21
  • 29% penalty begins: 01/04/22


Quarter 4, 2021 return

  • Due date: 01/31/22
  • 9% penalty begins: 02/01/22
  • 19% penalty begins: 03/01/22
  • 29% penalty begins: 04/01/22

 


Annual 2021 due date

Annual due dates are listed below for the Combined Excise Tax Return.

  • Due date: 04/15/22
  • 9% penalty begins: 04/16/22
  • 19% penalty begins: 06/01/22
  • 29% penalty begins: 07/01/22

Looking for the due date for the 2020 Annual return? Learn more.