2026 tax deadlines
Every federal date that matters for individuals, businesses, and the self-employed. Weekend and holiday shifts are already applied.
Loading…
Q4 2025 Estimated Tax Payment
Final quarterly estimated payment for 2025 — due from self-employed individuals and anyone else paying quarterly estimates.
W-2s & 1099-NEC Forms Due
Employers must furnish W-2s to employees and file with the SSA; businesses must send 1099-NEC forms to contractors paid $600+ in 2025.
S Corporation & Partnership Returns
Form 1120-S and Form 1065 due for calendar-year entities — or file Form 7004 for a six-month extension. Late-filing penalties apply per partner/shareholder, per month.
Tax Day: Individual & C Corp Returns
Form 1040 and calendar-year Form 1120 due (or extension requests). Q1 2026 estimated payments due. Last day for 2025 IRA and HSA contributions.
Q1 Payroll Returns (Form 941)
First-quarter employer payroll tax returns due for businesses with employees.
Q2 Estimated Tax Payment
Second-quarter 2026 estimated payments due. Also the filing deadline for U.S. citizens living abroad.
Q2 Payroll Returns (Form 941)
Second-quarter employer payroll tax returns due. Also the deadline for Form 5500 employee benefit plan filings (calendar-year plans).
Q3 Estimates & Extended Business Returns
Third-quarter 2026 estimated payments due. Final deadline for extended S corporation and partnership returns.
Extended Trust & Estate Returns
Final deadline for calendar-year trusts and estates (Form 1041) on extension.
Extended Individual & C Corp Returns
Final deadline for 2025 individual returns and calendar-year C corporation returns on extension. No further extensions available.
Q3 Payroll Returns (Form 941)
Third-quarter employer payroll tax returns due.
Year-End Planning Deadline
Last day for most 2026 tax moves: charitable gifts, capital-loss harvesting, equipment purchases, and required minimum distributions.
Q4 2026 Estimated Tax Payment
Final quarterly estimated payment for tax year 2026.
Never scramble for a deadline again
Our clients get reminders, projections, and filings handled ahead of every date on this page. That could be you.