Tax Deadlines
Estimated Payments Due
~4th Qtr 2025 ES Payment Due~
C Corporation (1120)
DEC 15, 2025
4th Qtr 2025 ES Payment Due
JAN 15, 2026
1st Qtr 2026 ES Payment Due
APRIL 15, 2026
2nd Qtr 2026 ES Payment Due
JUNE 15, 2026
3rd Qtr 2026 ES Payment Due
SEPT 15, 2026
Federal/State Tax Return Due Dates
If you are going on extension and you think you will owe money, payments are due by Fed/State deadlines listed in this section.
2025 S Corporation Return Due (1120S)
MARCH 16, 2026
2025 Partnership Return Due (1065)
MARCH 16, 2026
2025 Individual Return Due (1040)
APRIL 15, 2026
2025 Fiduciary Return Due (Trust-1041)
APRIL 15, 2026
Texas Franchise Return Due
MAY 15, 2026
Extension Due Dates
Extensions are an extension to file, NOT and extension to pay. Extension payments are due by their Federal/State deadlines listed above.
S Corporation Return on Extension Due (1120S)
SEPT 15, 2026
Partnership Return on Extension Due (1065)
SEPT 15, 2026
Fiduciary Return on Extension Due (Trust-1041)
SEP 30, 2026
C Corporation on Extension Due (1120)
OCT 15, 2026
Individual Return on Extension Due (1040)
OCT 15, 2026
If you have any questions or concerns, please feel free to contact us!