When Does Tax Season Start 2025 And End. All tax returns must be filed by april 15, 2025. The 2025 tax season kicks off on january 27, 2025.
But that does not mean you can’t get started on your tax filing now. The internal revenue service (irs) confirmed that the official start date for tax season will be january 27, adding that more than 140 million taxpayers are expected to file.