Tax Calendar 2026
The IRS publishes a full calendar every year, but most of it includes dates that don’t apply to everyone.
In this guide, we’ve simplified the 2026 tax calendar to focus only on what matters for individuals, self-employed professionals, and small business owners — so you know exactly what to file and when, without the extra noise.
| DATE | REQUIRED ACTION |
|---|---|
| January 15, 2026 | * Final estimated tax payment for 2025 (Form 1040-ES). |
| February 2, 2026 | * Employers send W-2 forms to employees. * Businesses send 1099 forms to contractors. |
| March 15 and 16, 2026 | * S Corp tax return deadline (Form 1120S). * Partnership tax return deadline (Form 1065). * Deadline to elect S Corp status. |
| April 15th, 2026 | * File Individual Tax Return (Form 1040) or request an extension. * First estimated tax payment due. * Individual Tax Return for non-residents (Form 1040 NR). |
| June 15th, 2026 | * Second estimated tax payment (Form 1040-ES). * Deadline for U.S. taxpayers living abroad to file taxes. |
| September 15th, 2026 | * Third estimated tax payment due (Form 1040-ES). * S Corporation tax return deadline (if extension was filed). * Partnership tax return deadline (if extension was filed). |
| October 15th, 2026 | * Final deadline to file your tax return (if you requested an extension). Individuals, non-residents and ITIN users. |
Stay on top of your taxes in 2026
Planning ahead makes all the difference. With this calendar, you now know exactly when to make your estimated payments, file your returns, and handle key documents — whether you’re an individual, a freelancer, or a small business owner.
We are here for you
Ready to handle your taxes with confidence? At Tin4Tax we can help you:
- File your 1040 or 1040-NR efficiently
- Pay estimated taxes on time
- Navigate all deadlines with step-by-step guidance
Start your tax filing with Tin4Tax now and make 2026 your most organized tax year yet!
