IRS Filing Dates

Here are 2026 tax deadlines:

 The key filing dates for 2026 are as follows:

• January 31, 2026: Deadline for employers to send W-2 forms to employees. 
• April 15, 2026: Deadline for filing individual income tax returns. 
• March 16, 2026: Deadline for partnerships and S corporations to file their returns. 
• October 15, 2026: Extended deadline for those who filed for an extension.
  Make sure to keep these dates in mind to avoid penalties and ensure compliance with IRS regulations.

                ・1Q — April 15, 2026

                ・2Q — June 15, 2026

                ・3Q — September 15, 2026

               ・4Q — January 15, 2027

Estates and trusts file Form 1041. This is also due on April 15, 2026.

Extended returns have different filing dates depending on the type of tax form being filed. You can request an extension, but that must be requested by the tax deadline above.

・Form 1065 extended return — September 15, 2026

・Form 1120S extended return — September 15, 2026

・Form 1120 extended return — October 15, 2026