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Minnesota Individual Income Tax Filing deadlines and extensions for 2025 for tax professionals to reference when working with clients.
If your client is a resident of Minnesota or has been involved in significant business operations within the state, they might be required to file Minnesota State Taxes. This document outlines the most important tax deadlines and tax extensions for Minnesota in 2025.
If your clients are residents or have been involved in significant business operations within Minnesota, then they might be required to file Minnesota State Taxes. This page covers the most important tax deadlines and tax extensions for Minnesota in 2025.
Minnesota C Corporation Tax Deadlines for 2025
You must file and pay Corporate Income Taxes in Minnesota by April 15, 2026.
Extension to File Taxes in Minnesota for 2025
The Extension Deadline for Minnesota corporate income tax returns is October 15, 2026.
Minnesota automatically grants a seven-month extension on filing corporate income tax returns. This means you do not need to file for an extension in Minnesota.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2026.
Minnesota S Corporation & Partnership Tax Deadlines for 2025
You must file in Minnesota by March 15, 2026.
Extension to File S Corporation & Partnership Taxes in Minnesota for 2025
The Extension Deadline for Minnesota S Corporation & Partnership income tax returns is September 15, 2026.
Minnesota automatically grants a six-month extension on filing pass-through entity tax returns. This means you do not need to file for an extension in Minnesota.
This is an extension to FILE, not an extension to PAY – payment is still due March 15, 2026.
Estimated Tax Deadline for Minnesota 2025
Estimated tax payments are due:
Individual Tax Deadline for Minnesota 2025
You must file and pay Individual Income Taxes in Minnesota by April 15, 2026.
Extension to File Taxes in Minnesota for 2025
The Extension Deadline for Minnesota Individual Income tax returns is October 15, 2026.
Minnesota automatically grants a six-month extension on filing personal income taxes. This means you do not need to file for an extension in Minnesota.
This is an extension to FILE, not an extension to PAY – payment is still due April 15, 2026.
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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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