Tax year 2024 calendar: Important federal dates and deadlines

Note: The following dates are subject to change.

January 6, 2025

• The Intuit Electronic Filing Center begins accepting and holding/processing 2024 tax returns that are final and able to be e-filed.

January 15, 2025

• Due date for fourth installment of 2024 estimated tax payments

January 27, 2025

• The IRS starts processing returns

March 17, 2025

• Deadline for filing a calendar-year S corporation or Partnership return or extension

April 15, 2025

• Deadline for filing a 2024 personal return or extension
• The return or extension must be postmarked or transmitted for e-filing by April 15, 2025.
  • If you owe: To avoid late payment penalties and interest, any taxes you owe must be paid by this date, even if you filed an extension.
  • If you're expecting a refund: If you missed the filing deadline, you have three years from the April 15, 2025 due date to file and still receive your refund. After that date, unclaimed 2024 refunds become the property of the Department of the Treasury.
• Deadline for filing a 2024 calendar-year C corporation or calendar-year estates/trusts tax return or extension
• Due date for first installment of 2025 estimated tax payments
• Deadline to claim a 2021 tax year refund

June 16, 2025

• Deadline for filing a 2024 personal return for US citizens or residents living and working abroad, including military duty
• Due date for second installment of 2025 estimated tax payments

September 15, 2025

• Final deadline to file your 2024 calendar-year S corporation or partnership tax return if you filed an extension
• Due date for third installment of 2025 estimated tax payments

October 15, 2025

• Final deadline to file your 2024 personal tax return if you filed an extension
• Final deadline to file your 2024 calendar-year estate/trust tax return if you filed an extension
• Final deadline to file your 2024 calendar-year C corporation tax return if you filed an extension

October 20, 2025

• Final deadline to resubmit a rejected return that was originally e-filed on or before October 15, 2025
  • If you filed an extension and you're expecting a refund but missed the October 20 final cutoff date, you have until October 16, 2028 to file a paper return and claim your 2024 refund. After that date, any refund would be forfeited to the Department of the Treasury.