Michigan SALT Cap Calculator
For Michigan filers at 4.25% flat.
The short answer: At the scenario numbers below, the OBBBA SALT deduction is $6,500 — about $1,560 back at a 24% rate ($60 per biweekly paycheck).
⚠️ This calculator provides estimates for informational and educational purposes only. It is not tax advice. Results are based on the One Big Beautiful Bill Act (OBBBA) and IRS Schedule 1-A. Consult a qualified tax professional for your specific situation.
Your State's Slice of the $40,000 Cap
Michigan's flat tax plus high-millage suburbs clear the old $10,000 cap easily.
- • Income + property tax → SALT up to $40,000
- • Non-homestead millages make investment-property tax higher
- • Phase-out above $500,000 MFJ
Worked Example
A Metro Detroit MFJ household, $240,000 MAGI: about $10,000 income tax plus $6,500 property tax.
- • Deductible amount: $6,500
- • Federal income tax savings: $1,560 (at the 24% marginal rate)
- • Per biweekly paycheck: $60
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Frequently Asked Questions
Did the OBBBA SALT cap help Michigan homeowners?
Yes — many southeast Michigan households pay $12–20k combined; the $40,000 cap now shelters it all (subject to MAGI phase-out).
Does the winter tax bill vs summer matter?
No — deduct taxes paid during the tax year regardless of billing season.