| Federal Return Type | Due Date | Extended Due date |
Individual Form 1040 |
April 18 | October 17 |
Partnership Form 1065 |
March 15 | September 15 |
| S Corporation Form 1120S (calendar year) | March 15 | September 15 |
| Trust & Estate Form 1041 | April 18 | September 30 |
| C Corporation Form 1120 | April 18 | September 15 |
| Exempt Organization Forms 990 (calendar year) | May 16 | November 15 |
| Employee Benefit Plans Forms 5500 | August 1 | October 17 |
| FinCEN Report 114 | April 18 | October 17 |
| Information Returns W-2 & 1099 | January 31 | NA |
| Payroll Returns Form 941 |
1st Quarter - April 30 2nd Quarter - July 31 3rd Quarter - October 31 4th Quarter - January 31 |
NA NA NA NA |
| Payroll Return Form 940 | January 31 (following end of year) | NA |
WA State Return |
Due Date |
Combined Excise Tax Return |
|
| Monthly | 25th day of following month |
| Quarterly | April 30, July 31, October 31, January 31 |
| Annually | April 15 |
| Labor & Industries |
|
| Quarterly | April 30, July 31, October 31, January 31 |
| Unemployment Insurance (SUTA) |
|
| Quarterly | April 30, July 31, October 31, January 31 |
(206) 285 - 4456 ( Voice )
(206) 285 - 5458 ( Fax )
3131 Elliott Ave Suite 290
Seattle, WA 98121
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