Tax Deadlines Calendar
Never miss a tax deadline. Track federal filing dates, estimated tax payments, and quarterly obligations for individuals, businesses, and non-profits.
Upcoming Deadlines (Next 30 Days)
2026 Tax Deadlines (14)
Form W-2 & 1099 Filing
Deadline to file W-2 and 1099 forms with IRS (shifted from Feb 28)
S-Corp & Partnership Returns
Form 1120-S and 1065 filing deadline for 2025 (shifted from March 15)
Individual Tax Returns
2025 Form 1040 filing deadline (Tax Day)
Q1 2026 Estimated Tax Payment
First quarter estimated tax payment for 2026
IRA & HSA Contributions
Last day to contribute for tax year 2025
Q1 2026 Payroll Tax Returns
Form 941 filing deadline for Q1 2026
Non-Profit Returns
Form 990 filing deadline (or extension)
Q2 2026 Estimated Tax Payment
Second quarter estimated tax payment for 2026
Q2 2026 Payroll Tax Returns
Form 941 filing deadline for Q2 2026
Q3 2026 Estimated Tax Payment
Third quarter estimated tax payment for 2026
Extended S-Corp & Partnership
Final deadline for 2025 returns with extension
Extended Individual Returns
Final deadline for 2025 Form 1040 with extension
Q3 2026 Payroll Tax Returns
Form 941 filing deadline for Q3 2026 (shifted from Oct 31)
Q4 2026 Corp Estimated Tax
Final estimated payment for corporations (calendar year)
Important Notes
- Deadlines falling on weekends/holidays move to the next business day
- State deadlines may differ from federal deadlines
- Extensions provide more time to file, not to pay
- Failure to meet deadlines may result in penalties and interest
Stay on Track
- Bookmark this page for easy reference
- Set calendar reminders 1-2 weeks before major deadlines
- Gather documents early to avoid last-minute stress
- Consider quarterly tax planning meetings with your tax professional
Never Miss Another Deadline
Let us handle your tax compliance calendar. We'll manage your deadlines, prepare your returns, and coordinate with your wealth and lending strategies to ensure everything works in sync.