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Important Tax Dates

Key 2025 federal deadlines for individuals and businesses — informational; always verify with the IRS.

The table below lists major federal tax deadlines for 2025. The interactive version (when enabled) lets you filter by business vs. individual and highlights overdue rows relative to today. Informational only — always verify with the IRS or state agency.

All 2025 dates

Important tax dates 2025
Due date	Filing / payment types	Individual
January 15, 2026	Q4 Estimated Tax Q4 Payroll Tax
January 31, 2026	Issue W2s & 1099s	—
March 15, 2026	S-Corporation Tax Return Partnership Tax Return	—
April 15, 2026	Individual Tax Return C Corporation Tax Return Trust Tax Return Q1 Estimated Tax Q1 Payroll Tax Tax Balance Due IRA / Roth IRA Contribution
May 15, 2026	Non-profit Tax Return	—
July 15, 2026	Q2 Estimated Tax Q2 Payroll Tax	—
September 15, 2026	S-Corporation w/ Extension Deadline Partnership w/ Extension Deadline	—
October 15, 2026	Individual Tax w/ Extension Deadline C Corporation w/ Extension Deadline Q3 Estimated Tax Q3 Payroll Tax
November 15, 2026	Non-profit w/ Extension Deadline	—
December 31, 2026	Employee 401K Contribution	—