Tax Deadline Tracker 2026
Select your filing type to see every deadline that matters to you. Download them to your calendar so you never miss a date—or sign up for email reminders.
Select Your Filing Type
Choose one or more entity types to see relevant deadlines.
9
Total Deadlines
1
Overdue
Apr 15
Next Deadline
9 Deadlines for Individual
Q4 2025 Estimated Tax Payment Due
January 15, 2026
Fourth quarter 2025 estimated tax payment due for self-employed individuals and those with investment or other non-withheld income.
Individual Tax Return Due
April 15, 2026
2025 individual income tax return due. File Form 4868 for an automatic 6-month extension to October 15. Extension to file is NOT an extension to pay.
Last Day for 2025 IRA & HSA Contributions
April 15, 2026
Final day to make IRA contributions ($7,000 limit, $8,000 if 50+) and HSA contributions for the 2025 tax year.
Q1 2026 Estimated Tax Payment Due
April 15, 2026
First quarter 2026 estimated tax payment for self-employed individuals and those with non-withheld income.
Q2 2026 Estimated Tax Payment Due
June 15, 2026
Second quarter 2026 estimated tax payment due. Also the automatic extension deadline for US citizens living abroad.
Q3 2026 Estimated Tax Payment Due
September 15, 2026
Third quarter 2026 estimated tax payment due for self-employed and those with non-withheld income.
Extended Individual & C-Corp Returns Due
October 15, 2026
Extended individual (Form 1040) and C-Corporation (Form 1120) returns due if extension was filed by April 15.
Year-End Tax Planning Deadline
December 31, 2026
Last day for most year-end tax planning moves: charitable contributions, retirement contributions (employer plans), loss harvesting, business equipment purchases (Section 179).
Q4 2026 Estimated Tax Payment Due
January 15, 2027
Fourth quarter 2026 estimated tax payment due. Can be skipped if you file your 2026 return and pay full balance by January 31, 2027.
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