October 2026 Tax Deadlines: What Individuals and Business Owners Should Know
October 15, 2026 is an important federal tax deadline for many individuals and corporations that requested extensions. Here’s what taxpayers should know as the deadline approaches.
October may be known for changing leaves and the beginning of year-end planning, but it also brings an important date for many taxpayers: October 15, 2026.
For individuals who received an automatic six-month extension to file their 2025 federal income tax return, October 15 is generally the filing deadline. Certain calendar-year corporations that timely requested an extension also face an October 15 filing deadline.