Your Detroit-area or Ann Arbor employer vested RSUs and you want to know how Michigan's flat state income tax on wages applies to vest FMV — plus whether Detroit city tax adds another layer on top of federal withholding.
In plain terms
Gather before you start
- MI residency and work location for year.
- confirmation and MI on pay stub.
- Michigan wage boxes.
- Michigan Treasury guidance for the tax year.
- Detroit city tax rules if applicable.
- tax calculator with Michigan selected.
How the tax works
delivery reports -date as wages. Michigan taxes that compensation for residents and for income sourced to the state. Detroit's automotive legacy and growing tech presence — from downtown Detroit employers to Ann Arbor software companies — generate questions where flat Michigan state tax simplifies estimates but federal progressive tax still stacks.
Michigan uses a flat state income tax rate on taxable income per Michigan Department of Treasury guidance for your filing year. The flat structure makes rough state calculations simpler than progressive states, but federal marginal tax and FICA still apply on . Supplemental federal on equity often under-withholds at higher incomes even when Michigan flat state looks correct.
Detroit imposes city income tax on wages for residents and for nonresidents who work in the city. reported as compensation may trigger Detroit city tax in addition to Michigan state tax if you live in Detroit or work at a Detroit office. Check city tax lines on your pay stub and separately from state .
Employers Michigan state tax on vests using supplemental methods. Moving from Michigan to a no-income-tax state mid-year triggers part-year MI returns. Remote Michigan residents working for out-of-state employers still typically owe Michigan tax on wages.
Boxes 16–17 should include in MI wages when Michigan payroll applies. Estimated Michigan or federal tax may be needed when combined on a falls short after stacking salary and multiple vests.
What to check on your end
- MI state line on pay stub.
- Detroit city tax line if applicable.
- MI wage and tax boxes.
- in federal Box 1.
- MI flat rate estimate with all income per current Treasury guidance.
- gap for MI plus federal.
- Move date if part-year MI resident.
1 more checklist item
- Calculator output vs pay stub after .
Forgetting Detroit city income tax on RSU vest pay stub
What to pull from your files
- MI pay stub including city lines if any.
- MI boxes.
- confirmation.
- MI estimated payment confirmations if made.
- Move or residency documentation if part-year.
Ann Arbor employee with cliff vest
Illustration only, not your tax situation.
Questions people ask
- Does Michigan tax RSU vest income?
- Yes for typical MI residents on MI-sourced wages reported on .
- Is Michigan's tax on RSU wages flat?
- Michigan applies a flat state income tax rate per current Treasury guidance — confirm the rate for your filing year. Federal tax remains progressive on top.
- Detroit RSU tax?
- Detroit city income tax may apply in addition to MI state tax on wages — confirm residency and work location rules with current city guidance.
- Michigan vs Ohio RSU tax?
- Both tax wages. Michigan flat state rate and Ohio's structure differ; Ohio cities may add municipal tax. See both state guides.
- MI RSU supplemental withholding — why a federal gap?
- MI flat state may look accurate while federal supplemental on equity does not model stacked salary plus multiple vests.
When a CPA is worth it
- Detroit city income tax on large .
- Part-year MI resident with equity from two states.
- Remote work for employer with no MI office.
- Employer withheld wrong state on MI resident .
Sources and notes
Primary tax claims on this page are supported by the official and secondary sources below. Broker and software links describe reporting mechanics — confirm rules against IRS or state guidance.
Michigan income tax on wages including equity compensation at vest; Detroit city tax may apply.
- Michigan Treasury — Individual Income Tax
Michigan Department of Treasury · Official
Michigan individual income tax rules and current rate information.
- IRS Publication 525 — Taxable and Nontaxable Income
Internal Revenue Service · Official
Covers compensation income from stock-based pay, including restricted property under section 83.
Related calculators
- RSU Tax Calculator
Model federal and state taxes on your RSU vest, compare withholding to estimated tax, and see what you may keep.
- RSU Withholding Gap Calculator
Focus on the gap between what your employer withholds on RSU vests and what you may owe when everything is reconciled.
- RSU State Tax Comparison Calculator
Run the same RSU vest through different state assumptions to see how location may change estimated tax.
Related pages
- RSU Tax Rate in Michigan
Michigan applies state income tax to RSU vest wages — Detroit city tax may add a local layer; federal marginal tax and FICA still apply.
- Ohio RSU Tax Guide
Ohio taxes RSU vest wages; some cities add municipal income tax on top of state.
- Illinois RSU Tax Guide
Illinois taxes RSU vest income as wages; part-year residency applies if you move in or out.
- RSU Taxes When Moving States
Moving mid-year can mean more than one state has a claim on part of your compensation — planning beats guessing.
- RSU Effective Tax Rate Explained
There is no flat RSU tax rate — effective tax on vest FMV includes federal, FICA, and state components that change with your total income.
For learning, not filing
VestingTax.com is not a CPA firm or tax preparer. Grants, employers, and states all differ. Use the cited IRS and state sources above, your own documents, and a qualified tax professional before you make decisions from this guide.