2024 Massachusetts State Tax Deadlines
Massachusetts Individual Income Tax Filing Deadlines and Extensions for 2024
If you are a resident or have been involved in significant business operations within Massachusetts, then you might be required to file Massachusetts State Taxes. We explore the most important tax deadlines and tax extensions for Massachusetts in 2024.
Massachusetts Business Tax Deadlines for 2024
C Corporation
Massachusetts C Corporation Tax Deadlines for 2024
You must file & pay Corporate Excise Taxes in Massachusetts by April 15, 2025.
- File Online with MassTaxConnect.
- File by Mail must be postmarked by the due date.
Applicable forms:
Form 355 – Massachusetts Corporate Excise Tax Return.
Extension to File Taxes in Massachusetts for 2024
You must send payment for taxes in Massachusetts for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is November 15, 2025, to file your Massachusetts corporate excise tax return.
Massachusetts automatically grants a 6-month extension on filing corporate excise tax returns. This means you do not need to file for an extension in Massachusetts.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Pass-Throughs
Massachusetts S Corporation & Partnership Tax Deadlines for 2024
You must file in Massachusetts by March 15, 2025.
- File Online with MassTaxConnect.
- File by Mail must be postmarked by the due date.
Applicable forms:
Form 355S
Form 3 – Partnership Return
Extension to File S Corporation & Partnership Taxes in Massachusetts for 2024
You must send a payment for taxes in Massachusetts for the fiscal year 2024 by March 15, 2025.
The Extension Deadline is September 15, 2025, to file your Massachusetts S Corporation or Partnership tax return.
Massachusetts automatically grants 6 months extensions on filing pass-through entity tax returns. This means you do not need to file for an extension in Massachusetts.
This is an extension to FILE, not an extension to PAY – payment is still due March 15, 2025.
Massachusetts Individual Tax Deadlines for 2024
Estimated Tax Deadline for Massachusetts 2024
Estimated tax payments are due:
- April 17, 2024
- June 17, 2024
- September 16, 2024
- January 15, 2025
See Form 1-ES instructions for the amount to pay with each voucher.
Individual Tax Deadline for Massachusetts 2024
You must file & pay Individual Income Taxes in Massachusetts by April 15, 2025.
- File Online with MassTaxConnect
- File by Mail must be postmarked by the due date
Form 1 – Residents
Form 1-NR/PY – Nonresidents or Part-Year Residents
Extension to File Taxes in Massachusetts for 2024
You must send payment for taxes in Massachusetts for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Massachusetts Individual Income tax return.
Massachusetts automatically grants a 6-month extension on filing personal income taxes. This means you do not need to file for an extension in Massachusetts.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Sources
- Massachusetts Department of Revenue Individual Filing Information
- Massachusetts Department of Revenue Corporate Due Date
- Massachusetts Department of Revenue Tax Forms
- MassTaxConnect for electronic filings and payments
The material discussed on this page is meant for general illustration and/or informational purposes only and is not to be construed as investment, tax, or legal advice. You must exercise your own independent professional judgment, recognizing that advice should not be based on unreasonable factual or legal assumptions or unreasonably rely upon representations of the client or others. Further, any advice you provide in connection with tax return preparation must comply in full with the requirements of IRS Circular 230.
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