Key Tax Deadlines: Individuals and Businesses
Dec 02 2025 16:00
Here are key deadlines for both individual and business income tax returns.
Individual Income Tax Returns (Form 1040)
For the 2025 tax year, the deadline to file individual income tax returns is Wednesday, April 15, 2026.
Business Tax Returns
Here's a quick guide to help business owners navigate critical filing dates:
- C Corporations (Form 1120): The filing deadline for calendar-year businesses is Wednesday, April 15, 2026. For those on a fiscal year, the deadline is the 15th day of the fourth month after the end of the tax year.
- S Corporations (Form 1120S) and Partnerships: For calendar-year businesses, Monday, March 16, 2026, is the deadline, shifted from the usual March 15th because it falls on a Sunday in 2026. Fiscal-year filers must submit by the 15th day of the third month after the tax year ends.
- Independent Contractors (Form 1099) & W-2s: Ensure timely submission to employees and contractors by Monday, February 2, 2026. Preparing these documents early helps maintain accurate business records and aids timely tax filing for your team.
