Upcoming Tax Deadlines
June 15, 2026: 2026 Installment 2 for estimated tax payments due.
July 31, 2026: Employers and Businesses, 2026 Q2 Form 941 Due. State wage reporting due.
September 15, 2026: Form 1065 (partnership) due for calendar year partnerships that filed a timely extension. Form 1120S (S Corporation) due for calendar year S Corporations that file a timely extension.
September 15, 2026: 2026 Installment 3 for estimated tax payments due.
October 15, 2026: Form 1120 ( C Corporations) due for calendar year C Corporations that filed a timely extension.
October 15, 2026: Form 1040 is due for individuals who filed a timely extension.
October 31 2026: Employers and Businesses, 2026 Q3 Form 941 Due. State wage reporting due.
November 15, 2026: Form 990 and 990-EZ are due for calendar year nonprofits that filed a timely extension.
