Federal Income Tax Filing Deadline 2025. October 15, 2025 was the extended filing deadline for individual tax returns, sole proprietorships, and c corporations. Here's a list of states with irs tax deadline extensions for federal income tax returns and other details you need to know if you live or have a business in an impacted area.

April 15 is the big day for individual taxpayers and sole proprietors. The deadline for filing your tax return for 2024 is april 15, 2025.