🗓️ 2025 Federal Tax Calendar 

(Excludes Nonprofits)

🔴 APRIL 2025 – 🚨 MAJOR DEADLINE MONTH

👤 INDIVIDUALS

April 15

✅ File 2024 Tax Return (Form 1040 / 1040-SR)

✅ Make 2024 IRA, Roth IRA, HSA Contributions

✅ Pay Q1 2025 Estimated Taxes (Form 1040-ES)

🏢 BUSINESSES

April 15

✅ File 2024 Form 1120 (Calendar-Year C Corporations)

🟠 OCTOBER 2025 – EXTENSION DEADLINES & PAYROLL TASKS

👤 INDIVIDUALS

October 10

📝 Report September tip income over $20 (Form 4070)

October 15

✅ File Extended 2024 Tax Return (Form 1040 / 1040-SR)

✅ Make SEP/Retirement Contributions for 2024

✅ File Gift Tax Return (Form 709) if extended

🏢 BUSINESSES

October 15

✅ File Extended 2024 Form 1120 (C Corporations)

✅ File 2024 Form 1041 for bankruptcy estates

✅ Deposit payroll and nonpayroll withheld taxes for September

October 31

🧾 File Q3 Form 941 (if full payment was not made via deposits)

🟡 NOVEMBER 2025 – MONTHLY REPORTING

👤 INDIVIDUALS

November 10

💬 Report October tip income over $20 (Form 4070)

🏢 BUSINESSES

November 12

🧾 File Q3 Form 941 (if fully paid via deposits)

November 17

💸 Deposit Social Security, Medicare & Withholding for October

💼 Deposit Nonpayroll Withheld Taxes for October

🟢 DECEMBER 2025 – YEAR-END CORPORATE DEADLINES

👤 INDIVIDUALS

December 10

💬 Report November tip income over $20 (Form 4070)

🏢 BUSINESSES

December 16

💵 Pay Q4 Estimated Corporate Taxes (Form 1120-W)

💸 Deposit Social Security, Medicare, and Withholding for November

💼 Deposit Nonpayroll Withheld Taxes for November