IRS Federal Tax Return Filing deadline dates

IRS Federal Year 2025 Tax Return Form Deadline Dates

• Individual 1040 - April 15, 2026 - Extended October 15,2026
• C Corp. 1120 - April 15,2026 - Extended October 15, 2026
• Partnerships 1065 - March 16, 2026 - Extended Sept. 15, 2026
• S Corp. - 1120-S - March 16, 2026 - Extended Sept. 15, 2026
• Trusts & Estates - 1041 - April 15, 2026 - Extended Sept. 30, 2026

Additional Important Dates

• January 15, 2026: Final estimated tax payment due for Q4 of 2025.

• February 2, 2026: Deadline for employers to furnish W-2 forms to employees and for businesses to furnish various 1099 forms (e.g., 1099-NEC for non- employee compensation) to recipients.

• April 1, 2026: The last day for individuals who turned 73 in 2025 to take their first Required Minimum Distribution (RMD) from retirement accounts.

• April 15, 2026: 

Deadline to make IRA and HSA contributions for the 2025 tax year.

First quarterly estimated tax payment for the 2026 tax year is due.

• June 15, 2026: Second quarterly estimated tax payment for the 2026 tax year is due.

• September 15, 2026: Third quarterly estimated tax payment for the 2026 tax year is due.