Important Tax-Related Dates for the United States in 2025

April 15, 2025

• Individual Income Tax Returns (Form 1040) for 2024 Due

• Partnerships and S Corporations (Forms 1065, 1120S) Tax Returns for 2024 Due

• 1st Quarter Estimated Tax Payment for 2025 Due

1. May 15, 2025

   • Nonprofit Organization Tax Returns (Form 990) Due

2. June 16, 2025

   • 2nd Quarter Estimated Tax Payment for 2025 Due

3. September 15, 2025

   • 3rd Quarter Estimated Tax Payment for 2025 Due

   • Extended Corporate Tax Returns (Form 1120) for 2024 Due

   • Extended Partnership and S Corporation Tax Returns (Forms 1065, 1120S) for 2024 Due

4. October 15, 2025

   • Extended Individual Income Tax Returns (Form 1040) for 2024 Due

   • Extended Nonprofit Organization Tax Returns (Form 990) Due

5. January 15, 2026

   • 4th Quarter Estimated Tax Payment for 2025 Due