Tax Calendar

January 15, 2026 - Final Estimated Tax Payment for 2025

The final estimated tax payment for the 2025 tax year is due for individuals (Form 1040-ES Q4 installment).

January 26, 2026 - 2025 Federal Income Tax Returns Begin Processing

The IRS officially begins accepting and processing 2025 federal income tax returns. The IRS Free File program also fully opens on this date.

January 31, 2026 - The deadline to send W-2 and 1099 Forms for 2025

This is the deadline for employers to send out W-2 Forms to employees and 1099 Forms to non-employees who provide services for the 2025 tax year.

February 15, 2026 - The W-4 Form Exemption Due for 2025

If you claimed an exemption from income tax withholding on the W-4 Form you gave your employer last year, you must file a new W-4 Form by this date to maintain your exemption for an additional year.

March 15, 2026 - S Corporations and Partnerships Tax Returns Due for 2025

Filing deadline for calendar-year S corporations (Form 1120-S) and partnerships (Form 1065).

March 31, 2026 - Forms 1099 and W-2G must be filed with IRS

Electronic filing deadline for various information returns like Forms 1099 and W-2G with the IRS. 

April 15, 2026 - Individual Income Tax Returns Due for 2025

2025 individual income tax returns (Form 1040) and C Corporations (Form 1120) are due, along with any taxes owed.

Deadline to request an automatic six-month filing extension by filing Form 4868 (this is an extension to file, not to pay any taxes owed).

Deadline to make IRA and HSA contributions for the 2025 tax year.

Due date for the first quarter of 2026 estimated tax payments for individuals and corporations.

June 15, 2026 - Second Quarter Estimated Tax Payments Due for 2026

Second quarter of 2026 estimated tax payments due for individuals and corporations.

September 15, 2026 - Third Quarter Estimated Tax Payments Due for 2026

Third quarter of 2026 estimated tax payments due for individuals and corporations.

October 15, 2026 - IRS extension tax filing deadline for 2025

If you chose to file an extension request on your tax return, this is the due date for filing your tax return.

December 31, 2026 - Deadline to take Required Minimum Distributions (RMDs)

The deadline to take required minimum distributions (RMDs) for the 2026 tax year if you are age 73 or older by year-end (unless it is your very first RMD, which can be deferred to April 1, 2027).