Massachusetts Personal Tax Extension 2026: 2025 Tax-Year Filing Guide
Individual Income Tax · Form 1
Massachusetts generally grants an automatic extension for individual returns. Massachusetts requires at least 80% of tax to be paid for a valid extension. For federal details, see our federal tax extension resources.
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✓ Secure e-filing✓ 24/7 filingMassachusetts generally grants an automatic extension for individual returns. Massachusetts requires at least 80% of tax to be paid for a valid extension.
Last updated: September 12, 2026Massachusetts Personal Tax Extension: Filing Details
Massachusetts generally grants an automatic extension for individual returns. Massachusetts requires at least 80% of tax to be paid for a valid extension.
Quick Reference: Deadlines and Forms
Use this summary to confirm Massachusetts filing deadlines, forms, and payment requirements.
| Item | Massachusetts personal return | Deadline or method |
|---|---|---|
| Original deadline | Form 1 | April 15, 2026 |
| Extended deadline | Automatic | October 15, 2026 |
| Return form | Form 1 | Use the current form |
| Payment | Form M-4868 | Due April 15, 2026 |
Frequently Asked Questions
Answers about Massachusetts personal tax extensions.
The Massachusetts extended filing deadline for the 2025 tax year is October 15, 2026.
Review the Massachusetts instructions to determine whether a federal extension or state request is required.
An extension gives more time to file, not more time to pay; pay the required amount by the original deadline.
Check the Massachusetts revenue or taxation department for current forms and instructions.