Michigan Small Business Tax Guide — 2026
Income Tax Rate
4.25% flat rate + some cities levy local income tax
Sales Tax Rate
6%
Filing Deadline
April 15 (matches federal deadline)
Michigan Income Tax
Michigan imposes a state income tax with rates of 4.25% flat rate + some cities levy local income tax. Self-employed individuals, freelancers, and sole proprietors pay this tax on their net business income in addition to federal income tax and federal self-employment tax (15.3%).
Self-Employment in Michigan
Michigan has a flat 4.25% income tax. Some cities (Detroit, Grand Rapids, etc.) levy additional local income taxes of 1% — 2.4%. No separate state SE tax.
Estimated Tax Requirements
Quarterly estimated payments required if you expect to owe $500 or more. Standard federal due dates apply.
MichiganDeductions & Credits
- Michigan starts with federal AGI with modifications
- Personal exemption: $5,600 per person
- Michigan does not allow itemized deductions — uses exemption system
- Homestead property tax credit
Business Filing Fees
LLC: $50 formation + $25 annual statement. Corporation: $60 formation + $25 annual report.
Key Facts About Michigan Taxes
- Michigan's flat 4.25% rate is straightforward and moderate
- Detroit levies a 2.4% local income tax — the highest city tax in Michigan
- Michigan does not allow itemized deductions — uses personal exemptions instead
- Very affordable LLC costs ($50 formation + $25/year)
Track Your Michigan Business Expenses
TaxTidy helps Michigan freelancers and self-employed individuals track every business expense with AI-powered receipt scanning. Snap a photo of any receipt and TaxTidy instantly extracts the vendor, amount, and tax category — then maps it to the correct IRS Schedule C line. At tax time, generate an audit-ready PDF report with all your deductions organized and totaled.
Frequently Asked Questions
What is Michigan's income tax rate?
Michigan has a flat 4.25% state income tax. Some cities add local income taxes — Detroit adds 2.4%, other cities typically add 1%.
Can I itemize deductions in Michigan?
No. Michigan does not allow itemized deductions. Instead, it uses a personal exemption system ($5,600 per person) and various credits.
When are Michigan estimated taxes due?
Quarterly on April 15, June 15, September 15, and January 15. Required if you expect to owe $500 or more.
Official source: Michigan Department of Revenue
TaxTidy provides expense organization tools based on the most current US tax law available to it. TaxTidy is not a CPA, Enrolled Agent, or licensed tax professional. All categorizations, deductions, and tax calculations are estimates. Please verify all data for accuracy and consult a certified tax professional before filing.
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