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Property Tax Deduction Calculator
Property tax is deductible as part of the State and Local Tax (SALT) deduction — but only up to the cap and only if you itemize. This calculator applies the 2026 expanded $40k joint cap with AGI phaseout toward $10k for high earners.
or sales tax if higher
Deductible SALT
$18,000
after cap
Federal tax savings
$4,320
Property-tax portion
$8,400
prorated from SALT
Your effective SALT cap
$40,000
$40k joint, $20k others
Amount over cap (lost)
$0
How the math works
The SALT deduction groups state and local income tax (or sales tax) with real-estate tax and personal property tax. The $40k joint / $20k MFS cap (2025 expansion) phases back down toward $10k as AGI crosses roughly $500k–$600k.
Only helpful if your total itemized deductions beat the standard deduction. For most homeowners in average-tax states, the mortgage interest deduction plus SALT plus charitable giving is still short of the $31,500 joint standard deduction.
EveryCalc calculators are designed for fast, practical estimates with transparent inputs and no required account. We use plain formulas, visible assumptions, and related tools so visitors can check the result from more than one angle.
Results are informational only. For financial, tax, legal, medical, construction, or other high-impact decisions, verify the output against primary sources or a qualified professional.
Learn more about our review process on the EveryCalc methodology page.
How this calculator works
What this page estimates
This Property Tax Deduction Calculator is built to give a quick, browser-based estimate for property tax deduction. Property tax is deductible as part of the State and Local Tax (SALT) deduction — but only up to the cap and only if you itemize. This calculator applies the 2026 expanded $40k joint cap with AGI phaseout toward $10k for high earners. The inputs stay on the page during normal use, and the result should be treated as an estimate for planning, comparison, or education rather than professional advice.
Calculation approach
The calculator applies the standard relationship implied by the inputs, then formats the answer so it can be checked and reused. For finance tools, the most important step is using consistent units, rates, time periods, and assumptions before comparing the result with another calculator or outside quote.
Example workflow
For example, start with a realistic value you already know, change one input at a time, and watch how the answer moves. That makes it easier to tell whether the result is being driven by the main amount, the rate, the time period, or a unit conversion.
Practical checks
- Use current, real-world numbers when the result affects money, health, tax, or legal decisions.
- Run a low, base, and high case when the inputs are estimates.
- Check the related calculators below when the next decision depends on a different assumption.
How to interpret the property tax deduction result
Best use
Use the result as a planning number for comparing payments, rates, returns, tax reserves, or cash-flow choices before you request a quote or make a commitment.
Cross-check
Compare the answer with the contract, lender estimate, tax form, brokerage statement, payroll record, or invoice that will control the real-world outcome.
Watch for
Do not rely on a single optimistic rate, return, or fee assumption. Money pages work best when you run low, base, and high cases and keep professional advice separate from the estimate.
This page belongs to the Finance calculator library, so the answer should be read in the context of the decision you are modeling rather than as a universal rule.
Before relying on this property tax deduction estimate
Most calculator mistakes come from the inputs, not the arithmetic. Use this short audit before you reuse the answer in a spreadsheet, quote, application, or important conversation.
Confirm source numbers
Match balances, rates, fees, taxes, income, and payment dates against the lender quote, payroll record, tax form, statement, invoice, or contract.
Separate cash flow from total cost
A lower monthly payment can still cost more over time if fees, interest, taxes, or a longer term are hidden in the structure.
Run conservative cases
Test at least one higher-cost or lower-return case before using the output for a purchase, refinance, investment, loan, or tax decision.
Rerun this page when the rate, price, term, fee, tax rule, income, expense, or expected holding period changes.
How to Use
- Choose filing status. Joint filers get the $40k cap; single, MFS, and HoH filers get $20k.
- Enter annual property tax paid on your primary (and second) residence.
- Enter combined state + local income tax (or sales tax, whichever is higher) paid during the year.
- Enter AGI — the $40k cap phases down toward $10k between roughly $500k and $600k AGI.
- Enter federal marginal tax rate to size the dollar tax savings.
Frequently Asked Questions
What actually counts toward SALT?
Real property tax (including the primary home and a second home), state and local income tax OR general sales tax (not both), personal property tax (e.g., some vehicle registration fees), and certain foreign real estate tax pre-2018 but no longer.
How does the 2025 expanded cap work?
The 2025 reconciliation act raised the cap from $10k to $40k for joint filers ($20k for others). It phases back down to $10k as AGI rises from about $500k to $600k. Check the final law for your tax year's specifics.
Can I deduct property tax on a rental?
Yes, but not on Schedule A. Rental property tax is a Schedule E business expense, fully deductible against rental income without a cap. This calculator covers personal residence SALT only.
What if my total is below the standard deduction?
The SALT deduction only matters if you itemize — i.e., your total itemized deductions exceed the standard deduction ($31,500 joint 2026). Run the Mortgage Interest Deduction vs Standard Deduction calculator to see.
Related Calculators
Property Tax Calculator
Estimate annual property tax itself from assessed value.
Mortgage Interest Deduction Calculator
Pair with SALT to see total itemizing.
Tax Bracket Calculator
Find marginal rate that sizes the savings.
Paycheck Calculator
See take-home pay after federal and state withholding.
Rental Property Tax Deduction Calculator
For rentals, property tax goes on Schedule E — no cap.
Capital Gains Tax Calculator
Other tax a homeowner faces at sale.
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