Property tax is one of the few bills that can reduce your federal income tax, but only for some households, and only up to a limit. This guide explains the federal state and local tax deduction, usually called the SALT deduction, with the official numbers and a worked example. It covers federal rules only; state income tax treatment differs.
You can deduct state and local taxes, including real estate taxes, only if you itemize deductions on Schedule A instead of taking the standard deduction. IRS Topic 503, Deductible Taxes, describes real estate taxes as generally any state or local taxes on real property, and says the total of the state and local taxes you can deduct is capped. The cap applies to the combined total of your real estate taxes and your state and local income or sales taxes, not to each separately.
For tax year 2025, the IRS Schedule A instructions and Topic 503 state a combined limit of $40,000 ($20,000 if married filing separately). The limit shrinks for higher incomes: it is reduced when modified adjusted gross income is above $500,000 ($250,000 if married filing separately), and it is not reduced below $10,000 ($5,000 if married filing separately). For 2026, IRS Publication 505 (2026) lists a cap of $40,400 ($20,200 if married filing separately), with the reduction starting above $505,000 ($252,500 if married filing separately) and the same $10,000 floor. The IRS has described the higher limit as temporary, so check irs.gov for the figures for the year you are filing. Use the IRS worksheet in the Schedule A instructions if your income is near or above the threshold.
Itemizing only helps if your itemized total is larger than the standard deduction. For tax year 2026, IRS Revenue Procedure 2025-32 sets the standard deduction at $32,200 for married couples filing jointly and $16,100 for single filers. Property tax alone seldom gets you there. It has to be added to your state income or sales tax, mortgage interest, and other deductible items such as charitable gifts.
A married couple filing jointly for 2026 pays $9,000 in property tax and $7,500 in state income tax. Their SALT total is $16,500, well under the $40,400 cap. Add $11,000 of mortgage interest and $2,000 of charitable gifts and the itemized total is $29,500. That is less than the $32,200 standard deduction, so they take the standard deduction and the property tax gives no extra benefit on the federal return.
Another couple pays $11,000 in property tax and $9,000 in state income tax, a SALT total of $20,000. With $14,000 of mortgage interest and $3,000 of gifts, the itemized total is $37,000. That is $4,800 more than the $32,200 standard deduction. If their top federal bracket is 22%, the extra deduction lowers federal tax by about $1,056 (4,800 x 0.22). Without the higher cap, SALT would be limited to $10,000 and the itemized total would be $27,000, below the standard deduction, which is why the cap change matters.
A couple with property tax of $26,000 and state income tax of $18,000 has a SALT total of $44,000. Under the 2026 cap they can include $40,400, so $3,600 is not deductible, as long as their income is below the reduction threshold. If their income is above it, the cap shrinks toward a $10,000 floor according to the IRS worksheet.
Generally, tax based on the assessed value of real property, charged uniformly to everyone in the taxing area, and used for general community purposes, is deductible. Charges for specific services, such as trash collection or a sewer connection, usually are not. A special assessment for a local improvement is generally treated differently from a general property tax. Check IRS Publication 530, Tax Information for Homeowners, or ask a tax professional about your bill. If your escrow account paid the tax, deduct the amount the servicer actually paid to the tax authority during the year, which appears on the mortgage interest statement or on the servicer's year-end escrow statement, not the amount you paid into escrow.
Do my deductible taxes plus mortgage interest and gifts exceed the standard deduction for my filing status? Did my escrow servicer pay the tax this year or last? Is part of the bill a service charge that is not deductible? Did a seller and I split the tax at closing, and is the split shown on the settlement statement? Answers to these questions change the amount you can claim, and a tax preparer can answer them quickly with your documents in hand.
Use the property tax calculator to get a base estimate of the year's property tax, add your state income or sales tax, and compare the total with the SALT cap. Then compare your full itemized total with the standard deduction. The calculator does not do your tax return; it only helps you see whether the property tax line matters.
Rental property tax is generally handled as a rental expense rather than on Schedule A, with different rules. Business property taxes are separate. State rules vary, and some states have their own deductions or credits for property tax. If you are close to the line between itemizing and the standard deduction, a short session with a tax preparer is worth the fee.