Tax Due Dates
August 2025
August 11
August 11
August 15
August 15
Individuals - Report July tip income of $20 or more to employers (Form 4070)
Employers - Report Social Security and Medicare taxes and income tax withholding for second quarter 2025 (Form 941), if all associated taxes due were deposited on time and in full.
Employers - Deposit nonpayroll withheld income tax for July if the monthly deposit rule applies.
Employers - Deposit Social Security, Medicare and withheld income taxes for July if the monthly deposit rule applies.
September 2025
September 10
September 15
September 15
September 15
September 15
September 15
September 15
September 15
September 30
Individuals - Report August tip income of $20 or more to employers (Form 4070).
Employers - Deposit nonpayroll withheld income tax for August if the monthly deposit rule applies.
Employers - Deposit Social Security, Medicare and withheld income taxes for August if the monthly deposit rule applies.
Calendar-year partnerships - File a 2024 income tax return (Form 1065 or Form 1065-B) and provide each partner with a copy of Schedule K1 (Form 1065) or a substitute Schedule K1 if an automatic six-month extension was filed.
Calendar-year S corporations - Make contributions for 2024 to certain employer-sponsored retirement plans if an automatic six-month extension was filed.
Calendar-year S corporations - File a 2024 income tax return (Form 1120-S) and provide each shareholder with a copy of Schedule K-1 (Form 1120S) or a substitute Schedule K-1 if an automatic six-month extension was filed. Pay any tax, interest and penalties due.
Calendar-year corporations - Pay the third installment of 2025 estimated income taxes, completing Form 1120-W for the corporation’s records.
Individuals - Pay the third installment of 2025 estimated taxes (Form 1040-ES), if not paying income tax through withholding or not paying sufficient income tax through withholding.
Calendar-year trusts and estates - File a 2024 income tax return (Form 1041) if an automatic five-and-a-half-month extension was filed. Pay any tax, interest and penalties due.
October 2025
October 10
October 15
October 15
October 15
October 15
October 15
October 15
October 15
October 15
October 31
Individuals - Report September tip income of $20 or more to employers (Form 4070).
Employers - Deposit nonpayroll withheld income tax for September if the monthly deposit rule applies.
Employers - Deposit Social Security, Medicare and withheld income taxes for September if the monthly deposit rule applies.
Calendar-year C corporations - Make contributions for 2024 to certain employer-sponsored retirement plans if an automatic six-month extension was filed.
Calendar-year C corporations - File a 2024 income tax return (Form 1120) if an automatic six-month extension was filed. Pay any tax, interest and penalties due.
Individuals - File a 2024 gift tax return (Form 709) and pay any tax, interest and penalties due if an automatic six-month extension was filed.
Individuals - Make contributions for 2024 to certain existing retirement plans or establish and contribute to a SEP for 2024 if an automatic six-month extension was filed.
Individuals - File a 2024 income tax return (Form 1040 or Form 1040-SR) if an automatic six-month extension was filed (or if an automatic four-month extension was filed by a taxpayer living outside the United States and Puerto Rico). Pay any tax, interest and penalties due.
Calendar-year bankruptcy estates - File a 2024 income tax return (Form 1041) if an automatic six-month extension was filed. Pay any tax, interest and penalties due.
Employers - Report Social Security and Medicare taxes and income tax withholding for third quarter 2025 (Form 941) and pay any tax due if all of the associated taxes due weren’t deposited on time and in full.
November 2025
November 10
November 10
November 17
November 17
November 17
Individuals - Report October tip income of $20 or more to employers (Form 4070).
Employers - Report Social Security and Medicare taxes and income tax withholding for third quarter 2025 (Form 941) if all of the associated taxes due were deposited on time and in full.
Calendar-year exempt organizations - File a 2024 information return (Form 990, Form 990-EZ or Form 990-PF) if a six-month extension was filed. Pay any tax, interest and penalties due.
Employers - Deposit nonpayroll withheld income tax for October if the monthly deposit rule applies.
Employers - Deposit Social Security, Medicare and withheld income taxes for October if the monthly deposit rule applies.
December 2025
December 10
December 15
December 15
December 15
Individuals - Report November tip income of $20 or more to employers (Form 4070).
Employers - Deposit nonpayroll withheld income tax for November if the monthly deposit rule applies.
Employers - Deposit Social Security, Medicare and withheld income taxes for November if the monthly deposit rule applies.
Calendar-year corporations - Pay the fourth installment of 2025 estimated income taxes, completing Form 1120-W for the corporation’s records.
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