Upcoming Tax Deadlines
January 15, 2026: 2025 Installment 4 for estimated tax payments due.
January 31, 2026: Employers and businesses, 2025 Q4 Form 941 due. 2025 Q4 State wage reporting due. 2025 annual Form 940 due. 2025 W2 to employees due. 2025 W3 / W2 to Social Security Administration due. 2025 1099 to recipients due. 2025 1099 / 1096 to Internal Revenue Service due.
March 15, 2026: Form 1065 (partnership) due. File Form 7004 for six month extension. Form 1120S (S Corporation) due. File Form 7004 for six month extension.
April 15, 2026: Form 1040 due. File Form 4868 for six month extension.
April 15, 2026: Form 1120 (C Corporation) due. File Form 7004 for six month extension
April 15, 2026: 2026 Installment 1 for estimated tax payments due.



