2024 Maine State Tax Deadlines
Maine Individual Income Tax Filing deadlines and extensions for 2024.
If you are a resident or have been involved in significant business operations within Maine, then you might be required to file Maine State Taxes. We look at the most important tax deadlines and tax extensions for Maine in 2024.
Maine Business Tax Deadlines for 2024
C Corporation
Maine C Corporation Tax Deadlines for 2024
You must file & pay Corporate Income Taxes in Maine by April 15, 2025.
- File Online through Maine Revenue Services.
- File by Mail must be postmarked by the due date.
Form 1120ME – Maine Corporate Income Tax Return.
Extension to File Taxes in Maine for 2024
You must send payment for taxes in Maine for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Maine corporate income tax return.
Maine automatically grants 6 months extensions on filing corporate income tax returns. This means you do not need to file for an extension in Maine.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Pass-Throughs
Maine S Corporation & Partnership Tax Deadlines for 2024
You must file in Maine by March 15, 2025.
- File Online through Maine Revenue Services.
- File by Mail must be postmarked by the due date.
Form 941P-ME Maine Income Tax Withholding for Pass-through Entities
Extension to File S Corporation & Partnership Taxes in Maine for 2024
You must send a payment for taxes in Maine for the fiscal year 2024 by March 15, 2025.
The Extension Deadline is September 15, 2025, to file your Maine pass-through entity tax return.
Maine automatically grants 6 months extensions on filing pass-through entity tax returns. This means you do not need to file for an extension in Maine.
This is an extension to FILE, not an extension to PAY – payment is still due March 15, 2025.
Maine Individual Tax Deadlines for 2024
Estimated Tax Deadline for Maine 2024
Estimated tax payments are made:
- April 15, 2024
- June 17, 2024
- September 16, 2024
- January 15, 2025
See Form 1040ES-ME instructions for the amount to pay with each voucher.
Individual Tax Deadline for Maine 2024
You must file & pay Individual Income Taxes in Maine by April 15, 2025.
- File Online through Maine Revenue Services
- File by Mail must be postmarked by the due date
- Applicable forms:
Form 1040ME – Individual Income Tax Return
Extension to File Taxes in Maine for 2024
You must send payment for taxes in Maine for the fiscal year 2024 by April 15, 2025.
The Extension Deadline is October 15, 2025, to file your Maine Individual Income tax return.
Maine automatically grants 6 months extensions on filing personal income taxes. This means you do not need to file for an extension in Maine.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2025.
Sources
- Maine Revenue Services Individual Filing Information
- Maine Revenue Services Corporate Due Date
- Maine Revenue Services Tax Forms
- Maine Revenue Services
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.
Looking for a different year?
