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For U.S. federal taxes, qualifying mortgage interest and real estate taxes generally reduce taxable income in tax year 2026 only if you itemize deductions on Schedule A. Add up all your allowable itemized deductions and compare the total with the standard deduction for your filing status; mortgage interest and property taxes by themselves do not determine which option is better. Tax year 2026 returns are generally filed in 2027.
Do you have to itemize to deduct mortgage interest and property taxes?
Generally, yes. The Internal Revenue Service says taxpayers must itemize to deduct homeownership expenses such as qualifying mortgage interest and real estate taxes. These are deductions, not tax credits: they reduce taxable income rather than cutting your tax bill dollar for dollar. The actual tax effect depends on your circumstances, including your other deductions and tax rate. The IRS’s May 21, 2026 Tax Tip 2026-42 summarizes the homeownership deductions.
If you claim the standard deduction, you generally cannot also claim these Schedule A deductions. Compare your total allowable itemized deductions—not just the home-related amounts—with the 2026 standard deduction for your filing status.
What is the 2026 standard deduction?
The IRS announced these amounts for tax year 2026:
| Filing status | 2026 standard deduction |
|---|---|
| Single | $16,100 |
| Married filing separately | $16,100 |
| Married filing jointly | $32,200 |
| Qualifying surviving spouse | $32,200 |
| Head of household | $24,150 |
These are the IRS’s tax-year 2026 standard deduction amounts, not amounts for the 2026 filing season, which generally covers 2025 returns. If your allowable Schedule A total is not greater than the standard deduction available to you, itemizing does not produce a larger deduction.
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How much property tax can you deduct in 2026?
Real estate taxes are included in the combined state and local tax deduction, commonly called SALT. The 2026 SALT limit applies across eligible state and local income, sales, and property taxes; it is not a separate cap just for property taxes. In the applicable category, taxpayers generally choose either state and local income taxes or general sales taxes.
| Filing status | 2026 SALT limit | Income phase-down begins above modified AGI | Limit does not fall below |
|---|---|---|---|
| Most filing statuses | $40,400 | $505,000 | $10,000 |
| Married filing separately | $20,200 | $252,500 | $5,000 |
For taxpayers above the stated modified adjusted gross income threshold, the cap phases down, but not below the floor shown. The IRS provides these figures in its 2026 SALT deduction correction. Your allowable property-tax deduction may therefore be less than the amount you paid, particularly if you also claim other state or local taxes or your income triggers the phase-down.
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Which mortgage interest qualifies?
Mortgage interest is not automatically deductible simply because a lender reports it. Generally, the loan must be secured by your qualified main home or a second home. Interest on home-equity borrowing generally qualifies only to the extent the borrowed money was used to buy, build, or substantially improve the home securing the loan. IRS Tax Topic 505 describes the interest rules.
The general limit on qualifying mortgage debt depends on when the debt was incurred:
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| Qualifying debt timing | General limit | Married filing separately |
|---|---|---|
| Debt incurred after December 15, 2017 | $750,000 | $375,000 |
| Qualifying older debt | $1,000,000 | $500,000 |
These general limits are described in IRS Publication 530 (2025). The applicable amount and deductible interest depend on the debt and its history; do not treat the limit as a deduction amount or assume all interest on a larger loan qualifies.
When are property taxes considered paid?
Generally, you deduct real estate taxes imposed on you in the year you paid them, including eligible taxes paid at settlement or closing. For taxes handled through an escrow account, your deposit into escrow is not itself payment to the taxing authority. The deductible amount is the tax the lender actually paid out of escrow during the tax year. Publication 530 explains these payment rules.
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For reporting, Publication 530 directs taxpayers to enter real estate taxes on Schedule A, line 5b. Mortgage interest and points generally reported on Form 1098 go on line 8a; qualifying interest not reported on Form 1098 goes on line 8b. Check the final 2026 Schedule A and IRS homeowner instructions when available, since the detailed mechanics cited here are from the 2025 publication.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.How to decide whether itemizing is worthwhile
- Use the correct tax year and filing status. These figures concern tax year 2026, with returns generally filed in 2027. Select the standard deduction amount that matches your filing status.
- Establish eligible home-related amounts. Check the mortgage debt’s date, security, and use of proceeds; identify qualifying interest. Count real estate taxes imposed on you and paid during 2026, not merely escrow deposits.
- Account for the SALT cap. Combine eligible property taxes with applicable state and local income or sales taxes, then consider the filing-status limit and any income-based phase-down.
- Add your other allowable Schedule A deductions. Compare the resulting allowable total with your standard deduction. The mortgage and property-tax figures alone may not settle the comparison.
- Use current 2026 forms and instructions. The standard deduction and SALT figures above are supported by IRS 2026 guidance, while the detailed homeowner mechanics cited above come from Publication 530 for 2025 returns.
One narrow additional item may apply: for tax year 2026, qualified mortgage insurance premiums may be deductible under specified conditions. This does not make homeowner, fire, or title insurance deductible. Consult the conditions in IRS Publication 505 (2026) before including any mortgage-insurance premiums.
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This article covers U.S. federal income tax treatment; state tax rules may differ.
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