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.
ELECTRONIC FUNDS TRANSFER (EFT) DEBIT, AND ELECTRONIC FILING (E-FILE) USERS
As an EFT debit user or e-filer, you can initiate your payment any time during the month and set a future date for payment. The transaction must be completed by 11:59 p.m. Pacific Time on the date listed below. If the payment is not complete by 11:59 p.m., a penalty will be assessed.
ELECTRONIC FUNDS TRANSFER (EFT) CREDIT USERS
Your bank may have its own guidelines for EFT. EFT credit users are responsible for contacting their bank to ensure funds are deposited in the state’s bank no later than 5:00 p.m. Pacific Time on the payment due date listed below.
PENALTIES WILL BE DUE IF PAYMENTS ARE NOT INITIATED OR RECEIVED ON TIME. THE FUNDS MUST BE DEPOSITED IN THE STATE’S BANK BY THE PAYMENT DUE DATES LISTED BELOW.
ANNUAL DUE DATES
Note: Annual due dates are listed below for the Combined Excise Tax Return, Business & Occupation Activities Return, and Retailing & Other Activities Return.
- Due date: 04/15/21
- 9% penalty begins: 04/16/21
- 19% penalty begins: 06/02/21
- 29% penalty begins: 07/01/21
QUARTERLY DUE DATES
QUARTER 1 RETURN
- Due date: 06/30/20
- 9% penalty begins: 07/01/20
- 19% penalty begins: 08/02/20
- 29% penalty begins: 09/01/20
QUARTER 2 RETURN
- Due date: 07/31/20
- 9% penalty begins: 08/01/20
- 19% penalty begins: 09/01/20
- 29% penalty begins: 10/01/20
QUARTER 3 RETURN
- Due date: 11/02/20
- 9% penalty begins: 11/03/20
- 19% penalty begins: 12/01/20
- 29% penalty begins: 01/01/21
QUARTER 4 RETURN
- Due date: 02/01/21
- 9% penalty begins: 02/02/21
- 19% penalty begins: 03/02/21
- 29% penalty begins: 04/01/21
MONTHLY DUE DATES
January return
- Due date: 02/25/20
- 9% penalty begins: 02/26/20
- 19% penalty begins: 04/01/20
- 29% penalty begins: 05/01/20
February return
- Due date: 03/25/20
- 9% penalty begins: 03/26/20
- 19% penalty begins: 05/01/20
- 29% penalty begins: 06/02/20
March return
- Due date: 04/27/20
- 9% penalty begins: 04/28/20
- 19% penalty begins: 06/02/20
- 29% penalty begins: 07/01/20
April return
- Due date: 05/26/20
- 9% penalty begins: 05/27/20
- 19% penalty begins: 07/01/20
- 29% penalty begins: 08/01/20
May return
- Due date: 06/25/20
- 9% penalty begins: 06/26/20
- 19% penalty begins: 08/01/20
- 29% penalty begins: 09/01/20
June return
- Due date: 07/27/20
- 9% penalty begins: 07/28/20
- 19% penalty begins: 09/01/20
- 29% penalty begins: 10/01/20
July return
- Due date: 08/25/20
- 9% penalty begins: 08/26/20
- 19% penalty begins: 10/01/20
- 29% penalty begins: 11/03/20
August return
- Due date: 09/25/20
- 9% penalty begins: 09/26/20
- 19% penalty begins: 11/03/20
- 29% penalty begins: 12/01/20
September return
- Due date: 10/26/20
- 9% penalty begins: 10/27/20
- 19% penalty begins: 12/01/20
- 29% penalty begins: 01/01/21
October return
- Due date: 11/25/20
- 9% penalty begins: 11/26/20
- 19% penalty begins: 01/01/21
- 29% penalty begins: 02/02/21
November return
- Due date: 12/28/20
- 9% penalty begins: 12/29/20
- 19% penalty begins: 02/02/21
- 29% penalty begins: 03/02/21
December return
- Due date: 01/25/21
- 9% penalty begins: 01/26/21
- 19% penalty begins: 03/02/21
- 29% penalty begins: 04/01/21
For updates see DOR WA Filing frequencies & due dates.
Where to File: FILE OR AMEND MY RETURN
Also see the TAX CALENDAR to sign up for reminders or download the due dates to your Google Calendar.
The materials posted in this article are for informational purposes only and should not be regarded as accounting or tax advice provided by YR Tax Compliance LLC. These materials have been prepared by professionals, however they should not replace professional services, and the user should seek advice before acting on any information presented. Every situation is uniquely different, and could make a world of difference on implementation of specific regulations. YR TAX Compliance LLC assumes no obligation to provide notification of changes of tax laws, regulations or other factors that could affect the information posted.