State tax guide
401(k) Rollover in Michigan
Michigan taxes 401(k) distributions as ordinary income at up to 4.25% flat (2026). A correctly executed direct rollover avoids all state tax. A failed rollover adds Michigan income tax on top of the federal bill.
What Michigan residents need to know
- Michigan has a flat 4.25% income tax for 2026 (the temporary 2023 drop to 4.05% was ruled one-year-only and the rate returned to 4.25%). Some third-party guides still list 4.05% for 2026 — the official Michigan Treasury rate is 4.25%.
- Michigan is phasing back its retirement/pension deduction under Public Act 4 of 2023: tax year 2026 reaches the full 100% deduction tier for qualifying retirement and pension benefits, regardless of birth year.
- The deduction is capped and CPI-indexed (2025 caps were $65,897 single / $131,794 joint; 2026 caps are $67,610 single / $135,220 joint) — 'fully phased in' does not mean unlimited.
- Only certain distributions qualify: 401(k)/403(b) amounts attributable to EMPLOYER contributions (or employee contributions that triggered a match), and IRA distributions after age 59½. Distributions from unmatched employee-only 401(k) contributions, 457 plans, and the federal Thrift Savings Plan do NOT qualify, nor do amounts received before you could retire under the plan.
- A successful direct rollover has no Michigan tax consequence; a failed rollover is taxed at 4.25%, reduced by the deduction only if the distribution qualifies.
Watch out for
- 'Michigan's pension tax is gone' is an overstatement: the deduction is capped, indexed, and limited to qualifying distribution types. A pre-59½ IRA withdrawal or an unmatched-employee-contribution 401(k) payout does not qualify.
- Because the caps and rules change by tax year and birth cohort, confirm your specific figures with a CPA before assuming a large distribution is fully deductible.
Good news
For 2026, Michigan retirees reach the full (100%) retirement-and-pension deduction tier — a large share of qualifying 401(k)/IRA retirement income can be deducted, up to the annual cap.
The right move for Michigan residents
The most important step is the same in every state: do a direct rollover — custodian-to-custodian, no check issued to you. This eliminates the 20% mandatory federal withholding, the 60-day deadline risk, and all state tax exposure in one step.
The nesthelm plan generates custodian-specific transfer instructions for your exact situation — your custodian, your balance, your destination, and your state. Free preview, $49 full plan.
Free tools for Michigan residents
Custodian guides
State rules are half the picture — the transfer itself runs through your custodian's process.
This guide provides educational information about Michigan state tax rules as applied to 401(k) rollovers. State tax law changes frequently. Verify with a Michigan-licensed CPA before acting on this information.