Luxury
How Much of Your Luxury Houston Property Tax Bill Can You Deduct in 2026?
In 2026 you can deduct up to $40,400 in combined state and local taxes, which for most Houston homeowners means property tax, up from the flat $10,000 cap that held from 2018 through 2024. That higher number starts shrinking once your household income passes $500,000, and on a true luxury property in Houston or The Woodlands, your property tax bill alone can pass either figure before you’ve touched a mortgage payment. The law behind the change, the One Big Beautiful Bill Act signed in July 2025, also locked the mortgage interest deduction at $750,000 of loan balance for good, instead of letting it bounce back to the old $1 million limit the way the 2017 tax law had scheduled.
The Move Live Love TX Team™ is a husband-and-wife real estate team serving Houston and the surrounding areas, helping luxury buyers and sellers, with a Certified Luxury Home Marketing Specialist on every listing.
Why Texas Homeowners Feel the SALT Cap Differently
Texas has no state income tax, so when people here talk about the SALT deduction, they’re almost always talking about property tax and nothing else. A homeowner in California or New York is stacking state income tax on top of property tax against the same cap. A Houston household with a high-value home and an effective tax rate near 2 percent can land a property tax bill well into five figures on its own, which blew past the old $10,000 cap years ago and can still test the new $40,400 one.
That’s the real shift. The cap didn’t only get bigger, it got bigger for a specific kind of household, and the income phase-down matters more here than almost anywhere else, because the same high earners who carry the biggest tax bills are the ones losing part of the benefit as their income climbs past $500,000.
What Changed, in One Table
| 2018 through 2024 | 2025 through 2029 | |
|---|---|---|
| SALT (mostly property tax) deduction cap | Flat $10,000 | $40,000 in 2025, $40,400 in 2026, phasing down above $500,000 in household income |
| Mortgage interest deduction cap | $750,000 of loan balance, set to revert to $1,000,000 in 2026 | Permanently $750,000 |
| Home equity loan interest | Not deductible unless used to buy, build, or improve the home | Same rule, now made permanent |
| What happens in 2030 | n/a | SALT cap drops back to $10,000 unless Congress acts again |
The Move Live Love TX Team is a husband-and-wife real estate team serving Houston and the surrounding areas, helping luxury buyers and sellers, with a Certified Luxury Home Marketing Specialist on every listing.
The Mortgage Interest Cap Was Supposed to Loosen, and Didn’t
Under the 2017 tax law, the $750,000 mortgage interest cap was always temporary. It was due to expire after 2025 and let the old $1 million limit come back for 2026 and beyond, according to the Journal of Accountancy’s review of the reconciliation bill, published in July 2025. The new law erased that sunset instead of letting it happen. If you’re financing a home with a loan above $750,000, the interest on the balance past that line still isn’t deductible, same as it’s been since 2018. For a buyer weighing a jumbo mortgage on a luxury home in Houston against paying more in cash, that’s one more number that belongs in the spreadsheet before closing, not after it.
Peter spent years in mortgage lending before he carried a real estate license, and when a client asks whether a tax law change like this one moves the math on financing versus paying cash, he’s running the loan structure against the new numbers instead of repeating a headline figure.
Does Itemizing Still Make Sense on a Luxury Home?
Run the math every year instead of assuming last year’s answer still holds. The 2026 standard deduction for a married couple filing jointly is $32,200, so a household with a sizable mortgage and a six-figure property tax bill will usually still clear that bar by itemizing. A homeowner who’s paid off the mortgage or financed a smaller amount might not clear it as easily, especially once the SALT cap’s income phase-down starts eating into the benefit. And if your appraised value feels out of step with what you’re now paying, protesting your property tax appraisal is the separate lever worth pulling before you accept this year’s bill as fixed.
The Move Live Love TX Team is a husband-and-wife real estate team serving Houston and the surrounding areas, helping luxury buyers and sellers, with a Certified Luxury Home Marketing Specialist on every listing.
None of this changes whether a given home is worth buying. It changes what the first full year of owning it costs after the deduction, and that’s worth running before you sign, not after your first property tax bill lands.
Frequently Asked Questions
- What is the SALT deduction cap for 2026?
- The SALT deduction cap for 2026 is $40,400, up from the flat $10,000 cap that applied from 2018 through 2024. It phases down for households with more than $500,000 in modified adjusted gross income and is scheduled to drop back to $10,000 in 2030 unless Congress extends it again.
- Why does the SALT cap matter in Texas if there's no state income tax?
- Texas has no state income tax, so for a Texas homeowner the SALT deduction is almost entirely property tax. On a Houston luxury home, the annual property tax bill alone often passes both the old and new caps, which is why this change lands harder here than in a state with lower property taxes.
- Did the mortgage interest deduction limit go back up to $1 million in 2026?
- No. The $750,000 cap on mortgage debt eligible for the interest deduction was made permanent by the law signed in July 2025, so it never reverted to the pre-2018 limit of $1 million the way earlier law had scheduled. Interest on any loan balance above $750,000 still isn't deductible.
- Is home equity loan or HELOC interest deductible in 2026?
- No, unless the loan proceeds went toward buying, building, or substantially improving the home that secures it. That rule was already in place, and the new law made it permanent rather than letting it expire.
- Should I itemize or take the standard deduction on a luxury Houston home?
- Run the numbers every year instead of assuming. The 2026 standard deduction for a married couple is $32,200, and a household with a large mortgage and a high property tax bill will usually still come out ahead itemizing, but a paid-off home or a smaller loan might not clear that bar the way it used to.