Wisconsin SALT Cap Calculator
For Wisconsin filers.
The short answer: At the scenario numbers below, the OBBBA SALT deduction is $10,000 — about $2,400 back at a 24% rate ($92 per biweekly paycheck).
Old cap (pre-OBBBA): $10,000 deductible
Your OBBBA cap: $40,000
Extra deduction: $10,000
Est. federal tax savings: $2,400
Your state+local taxes ($20,000) are below your $40,000 cap
⚠️ 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
Wisconsin brackets reach 7.65%; property taxes are among the nation's highest per home value.
- • Income + property → SALT to $40,000
- • Phase-out above $500,000 MFJ
- • Lottery credit reduces property tax paid — use net
Worked Example
A Madison/Milwaukee MFJ household, $250,000 MAGI: about $14,000 income tax plus $6,000 property tax.
- • Deductible amount: $10,000
- • Federal income tax savings: $2,400 (at the 24% marginal rate)
- • Per biweekly paycheck: $92
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Frequently Asked Questions
Wisconsin property taxes are high — does the new cap fully cover them?
For most itemizers yes — combined SALT under $40,000 and MAGI under the phase-out.
Do Wisconsin lottery/lottery credits reduce my deduction?
Deduct net tax actually paid after credits.