Minnesota Tax Deadlines
State income tax filing deadlines, extensions, and estimates for 2026.
Minnesota Department of Revenue
https://www.revenue.state.mn.us
individual deadline
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: Form M1
MN returns must be filed by April 15; file by Oct 15 to avoid late filing penalty.
Estimated Payments
Sole Proprietorship deadline
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: Form M1
Business income reported on MN personal return.
Estimated Payments
Partnership deadline
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State partnership return
Calendar-year due date follows federal timing for pass-through entities.
S Corporation deadline
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State S-corporation return
Calendar-year due date follows federal timing for pass-through entities.
C Corporation deadline
Due: Apr 15, 2026
Extension: Oct 15, 2026
Form: State C-corporation return
Calendar-year due date follows federal timing for corporations.
Estimated Payments
LLC deadline
Due: Mar 16, 2026
Extension: Sep 15, 2026
Form: State LLC return
Calendar-year due date follows federal timing for pass-through entities.
Nonprofit deadline
Due: May 15, 2026
Extension: Nov 15, 2026
Form: State nonprofit return
Nonprofit annual return generally due the 15th day of the 5th month.
Estimated Tax Payments
View all quarterly estimated payment due dates for Minnesota.
FAQ
When are taxes due in Minnesota?
Minnesota state income tax returns for 2025 are generally due on April 15, 2026, aligning with the federal deadline. However, some entity types such as partnerships and S-corporations have earlier deadlines (March 16, 2026). Check the deadlines above for your specific entity type.
Does Minnesota require estimated tax payments?
Yes, Minnesota generally requires estimated tax payments if you expect to owe more than a certain threshold in state income tax. Payments typically follow a quarterly schedule. Visit the estimated payments page for Minnesota for specific due dates.
What is the Minnesota tax extension deadline?
Minnesota generally grants a 6-month extension for filing state income tax returns, moving the deadline to October 15, 2026 for most individual filers. Note that an extension to file is not an extension to pay — any tax owed is still due by the original deadline.
What are the Minnesota tax rates for 2026?
Minnesota tax rates vary by income level and filing status. For the most current rates and brackets, visit Minnesota Department of Revenue at https://www.revenue.state.mn.us. Tax rates can change annually based on state legislation.
Does Minnesota conform to federal due dates?
Many Minnesota deadlines follow the federal calendar. Always confirm on Minnesota Department of Revenue.
Where can I file Minnesota tax forms?
Visit Minnesota Department of Revenue at https://www.revenue.state.mn.us for official forms and e-file options.
Minnesota Tax Deadlines by Entity Type
View detailed deadlines for specific business entity types in Minnesota.
Sole Proprietorship
Due April 15, 2026 with extension to October 15, 2026.
Partnership
Due March 16, 2026 with extension to September 15, 2026.
S Corporation
Due March 16, 2026 with extension to September 15, 2026.
C Corporation
Due April 15, 2026 with extension to October 15, 2026.
LLC
Single-member LLCs follow April 15; multi-member LLCs follow March 16.
Nonprofit
Due May 15, 2026 with extension to November 15, 2026.
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