Minnesota Tax Deadlines: Individual & Corporate Filing Guide

Minnesota Tax Deadlines: Individual & Corporate Filing Guide

Check Minnesota tax deadlines for individuals and C Corporations. Confirm due dates, extension rules, and exemptions for S Corps and Partnerships.

Minnesota imposes high compliance standards and closely monitors pass-through entities.

Minnesota Tax Deadlines at a Glance (2026)

Entity Type

Return Due

Extension Deadline

Individuals

April 15, 2026

October 15, 2026

C Corporations

April 15, 2026

October 15, 2026

S Corporations

March 16, 2026

September 15, 2026

Partnerships

March 16, 2026

September 15, 2026

Businesses

Minnesota requires composite returns or withholding for nonresident owners.

Estimated Taxes

Quarter

Due Date

Q1

April 15, 2026

Q2

June 15, 2026

Q3

September 15, 2026

Q4

January 15, 2027

‹ Mississippi Tax Deadlines: Individual & Corporate Filing Guide

Michigan Tax Deadlines: Individual & Corporate Filing Guide ›

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End-to-end Encryption

SOC 2 Type II

Monitoring Systems

24/7 intrusion detection
Quarterly scans & annual pen tests

Access Control

Multi‑Factor Authentication & Role‑based permissions

Regulation Compliant

TLS 256‑bit in transit & at rest
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Customer Stories

Trusted by firms across the board

"Research used to be a black hole. Now, I just type the question and get a citable IRS answer in seconds."

Tax Manager

Sama Tributa

"80% faster first drafts. What used to take us two days is now done in two hours."

Managing Partner

Northbridge Tax Advisory

Customer Stories

Trusted by firms across the board

"Research used to be a black hole. Now, I just type the question and get a citable IRS answer in seconds."

Tax Manager

Sama Tributa

"80% faster first drafts. What used to take us two days is now done in two hours."

Managing Partner

Northbridge Tax Advisory