1120 Extension Due Date 2025. Extension Due Date 2025 Aurore Constantine Estimated Taxes: First installment of 2025 estimated tax payments due (Form 1040-ES for individuals and Form 1120-W for corporations) If you're a calendar year filer, April 15, 2025, is also the deadline to file your C corporation 's federal tax return (Form 1120) for the 2024 tax year
File your 1120 Extension with IRS Approval form1120extension from form1120extension.wordpress.com
September 2025 9/15/25 - Q3 2025 estimated tax payments due for both individual filers (self-employed individuals and independent contractors) and businesses. For S corporations, Partnerships the due date is the 15th day of the 3rd month.
File your 1120 Extension with IRS Approval form1120extension
April 15th: Due date to file individual (1040), trust (1041), and C-Corp (1120) returns. September 2025 9/15/25 - Q3 2025 estimated tax payments due for both individual filers (self-employed individuals and independent contractors) and businesses. Form 7004 is used to request an automatic extension to file the certain returns.
Form 1120S Extension 2024 2025. September 2025 9/15/25 - Q3 2025 estimated tax payments due for both individual filers (self-employed individuals and independent contractors) and businesses. Estimated Taxes: First installment of 2025 estimated tax payments due (Form 1040-ES for individuals and Form 1120-W for corporations)
Form 1120S Filing Due Dates in 2023. If your returns are not complete by this date, an extension will be filed. Employers and persons who pay excise taxes should also use the Employer's Tax Calendar and the Excise Tax Calendar, later.