4250 8th Ave NW, Ste 200 Seattle, WA 98107

Resources

Due Dates

January 15th

Individuals:
Fourth quarterly estimated tax payment due

March 15th

Partnerships:
Assuming a December year end date, Form 1065 is due or a 5-month extension is due. If your fiscal year end is a different month, Form 1065 is due or a 5-month extension is due on the 15th day of the third month after fiscal year end.


S-Corporations
:
Form 1120S due or 5-month extension due

April 15th

Individuals:
Individual tax returns due or 6-month extension due. First quarterly estimated tax payment due.

C-Corporations (1120/1120H):
Assuming a December year end date, Form 1120 is due or a 6-month extension is due.If your fiscal year end is a different month, Form 1120 is due or a 6-month extension is due on the 15th day of the fourth month after fiscal year end.

June 15th

Individuals:
Second quarterly estimated tax payment due.

September 15th

Individuals:
Third quarterly estimated tax payment due

Partnerships:
Assuming a December fiscal year end, extended tax returns due

S-Corporations:
Extended tax returns due

October 15th

Individuals:
Extended tax returns due

C-Corporations (1120/1120H):
Assuming a December fiscal year end, extended tax returns due