Tax Center / Deadlines
Tax Deadlines
Key federal due dates for 2026. Dates may shift when they fall on weekends or holidays.
Next deadline
Q3 2026 estimated tax payment
Tuesday, September 15, 2026
6 days
Dates may shift to the next business day when they fall on a weekend or federal holiday. Always confirm at IRS.gov.
These are common federal deadlines for reference only — not tax advice. Confirm all dates at IRS.gov before acting.
All deadlines — 2026
| Date | Deadline | Category |
|---|---|---|
| Jan 15, 2026 | Q4 2025 estimated tax payment Fourth-quarter estimated tax payment for tax year 2025. | Estimated tax |
| Jan 31, 2026 | W-2 & 1099-NEC to recipients Employers must furnish Form W-2; 1099-NEC for nonemployee compensation. | Payroll |
| Mar 16, 2026 | S-Corp & partnership returns (Form 1120-S / 1065) Original due date for calendar-year S corporation and partnership returns. | Business |
| Apr 15, 2026 | Individual tax returns (Form 1040) — tax year 2025 Federal income tax return and payment due for most individual filers. | Individual |
| Apr 15, 2026 | Q1 2026 estimated tax payment First-quarter estimated tax payment for tax year 2026. | Estimated tax |
| Apr 15, 2026 | C-Corporation returns (Form 1120) Federal corporate income tax return for calendar-year C corporations. | Business |
| Jun 15, 2026 | Q2 2026 estimated tax payment Second-quarter estimated tax payment for tax year 2026. | Estimated tax |
| Sep 15, 2026 | Q3 2026 estimated tax payment Third-quarter estimated tax payment for tax year 2026. | Estimated tax |
| Oct 15, 2026 | Extended individual return (with extension) Final due date for individual returns on extension (Form 4868). | Individual |
| Jan 15, 2027 | Q4 2026 estimated tax payment Fourth-quarter estimated tax payment for tax year 2026. | Estimated tax |
Upcoming
- Q3 2026 estimated tax payment ·
- Extended individual return (with extension) ·
- Q4 2026 estimated tax payment ·