Tax Filing Deadline 2024 In Maine. Income tax return after the april 15, 2024 maine tax extension. The tax relief postpones various tax filing and payment deadlines that occurred from jan.

For affected maine taxpayers, tax returns and final or estimated payments originally due on or after december 17, 2023, and through april 17, 2024 for individual income. For those who live in maine or massachusetts, the deadline is extended until april 17, 2024, due to official holidays observed in those states.