Deadline For W2 2025. For the 2024 tax year, if you’ve paid your taxes via monthly deposit, you have until february 12,. The federal tax filing deadline (tax day) is april 15, 2025, with an extension deadline of october 15, 2025.
In 2025, taxes are due on april 15. The requirement for employers is that w2s must be sent in the mail or make their w2s available online no later than january 31st.