Tax Filing 2025 Start Date. The start date for the 2025 tax season is yet to be announced, but it is likely to be in late january based on previous years’ trends. The irs typically announces the date in early january.
In 2026, for the tax year 2025, the standard deduction will get a $400 boost, making it $15,000 for single filers. The federal tax deadline is april 15, 2025.