When Are Taxes Due 2025 Extension Deadline 2025. For most individuals, the due date (known as ‘tax day’) for filing income tax returns is april 15, 2025. This is the standard deadline unless april 15 falls on a weekend or public holiday, in which case the deadline moves to the following business day.

When are 2025 tax extensions due? The federal tax filing deadline (tax day) is april 15, 2025, with an extension deadline of october 15, 2025.