How Does Paying Off Your Mortgage Affect Your Taxes?

Paying off your mortgage generally raises your federal tax bill because you lose the mortgage interest deduction, and without it most homeowners fall below the standard deduction threshold and stop itemizing altogether. So how does paying off your mortgage affect your taxes in practice? You give up your largest write-off, a few smaller deductions and credits disappear with it, one final-year break becomes available, and your filing usually gets simpler even as the total tax owed goes up.

The Mortgage Interest Deduction Goes Away

The biggest tax change at payoff is the loss of deductible interest. Federal law lets you subtract qualified residence interest from your taxable income, and for most homeowners with an active loan, that deduction is what makes itemizing worthwhile.¹ Once the balance hits zero, no interest accrues and there is nothing left to deduct.

While the loan is active, your lender sends you Form 1098 each January showing the interest you paid the prior year.² That figure lands on Schedule A and cuts your taxable income directly. A homeowner in the 24% bracket who paid $10,000 in interest saved $2,400 in tax. After payoff, no more 1098 arrives, and those savings are gone.

If you also had a home equity loan or line of credit used to buy, build, or substantially improve the home, paying that off eliminates its deduction too. Interest on a HELOC used for credit card consolidation or tuition was never deductible in the first place, so payoff doesn’t change anything there.³

One Break in the Final Year: Unamortized Points

The payoff year has one benefit many homeowners miss. If you paid points when you took out the loan and have been spreading that deduction across the loan’s life, you can deduct the entire remaining balance of those points in the year the loan ends, whether you pay it off early, sell the house, or go through foreclosure.⁴

Say you paid $3,000 in points on a 15-year mortgage in 2014 and have been deducting $200 per year. By 2024, you’ve claimed $2,200. Pay the loan off in 2025 and you deduct the remaining $800 all at once. That extra bump can matter in what may be the last year itemizing works for you.

One exception: if you refinance with the same lender rather than paying the loan off entirely, you cannot take the remaining points that year. You spread whatever is left over the term of the new loan.⁴

Most Homeowners Switch to the Standard Deduction

Mortgage interest is usually what makes itemizing pencil out. Without it, your other deductible expenses have to clear a high bar on their own. For the 2026 tax year, the standard deduction is $16,100 for single filers, $32,200 for married couples filing jointly, and $24,150 for heads of household.⁵ If your itemized total falls below those amounts, the standard deduction wins.

Look at what a paid-off homeowner has left to itemize: property taxes (subject to the SALT cap), charitable gifts, and medical expenses above 7.5% of adjusted gross income. For a married couple, those need to combine above $32,200 to beat the standard deduction. That’s a steep climb without interest anchoring the total, and the IRS reports that most taxpayers already take the standard deduction even with a mortgage.⁶

The switch simplifies filing. You stop tracking Schedule A receipts. But charitable donations and medical costs that used to trim your tax bill now provide no federal tax benefit at all. Some homeowners respond by bunching two years of charitable giving into a single year to push above the standard deduction every other year. That kind of timing matters more once mortgage interest is no longer holding your itemized total up.

Property Taxes Still Count, but the Rules Around Them Shift

Owning your home outright doesn’t change the deductibility of property taxes. They remain a valid itemized deduction whether or not you carry a mortgage.⁷ The catch is that claiming them requires itemizing, and property taxes alone rarely clear the standard deduction.

The state and local tax (SALT) cap also limits how much you can write off. For 2026, the SALT cap is $40,400 for most filers ($20,200 if married filing separately), up sharply from the $10,000 limit that applied from 2018 through 2024. The higher cap phases down for taxpayers with modified adjusted gross income above $505,000, and the floor never drops below $10,000.⁵ The cap covers the combined total of property taxes and either state income tax or state sales tax.

Paying Property Taxes Without Escrow

Most lenders collect property taxes through an escrow account inside your monthly payment. Once the loan is gone, that account closes and you’re on the hook for paying your local taxing authority directly and on time. Homeowners stumble here more often than you’d think. Missing a deadline can bring penalties, interest, or a tax lien on the property you just finished paying off.

Contact your county assessor or treasurer to confirm due dates and set up direct billing. Many offices accept online payments or automatic bank drafts. Keep receipts for the year in case you itemize and the IRS asks for proof.

Mortgage Credit Certificates End Too

A smaller group of homeowners loses another benefit at payoff. A Mortgage Credit Certificate, issued by state or local housing agencies to help lower-income buyers, gives you a dollar-for-dollar credit against your tax bill calculated as a percentage of your annual mortgage interest.⁸ The credit depends on paying interest. Once the loan is gone, the formula yields zero and the credit disappears. If an MCC has been cutting your tax bill by $1,000 or more each year, expect that increase in liability the first year after payoff.

Using Retirement Funds to Pay Off the Mortgage

Some homeowners drain a 401(k) or traditional IRA to clear the remaining balance, and the tax consequences can be harsh without planning. Every dollar withdrawn from a traditional retirement account counts as ordinary income in the year you take it. A $100,000 withdrawal to wipe out a mortgage stacks on top of your salary and can push you into a higher bracket.

For 2026, a single filer crosses from the 22% bracket into 24% at $105,700, and from 24% into 32% at $201,775.⁵ A large withdrawal can jump you past one or two thresholds, and the extra tax may swallow most of the interest savings from being mortgage-free.

If you’re under 59½, add a 10% early withdrawal penalty on top of the income tax. The IRS lists exceptions for things like disability, medical expenses, and first-time home purchases, but paying off an existing mortgage is not among them.⁹ A 45-year-old in the 24% bracket who pulls $100,000 from a traditional IRA could owe $24,000 in income tax plus $10,000 in penalties before any interest savings materialize. Spreading the payoff over two or three tax years, or waiting until after 59½, can cut the bill sharply.

Rental Property Payoffs Work Differently

Everything above applies to your primary residence. If you pay off a rental property, the math shifts and the impact tends to sting more. Mortgage interest on a rental isn’t an itemized deduction; it’s a business expense on Schedule E offsetting rental income.¹⁰ Eliminate that expense and your net rental income jumps by the same amount, taxed dollar for dollar.

Say a rental collects $24,000 a year and you were deducting $9,000 in mortgage interest along with property taxes, insurance, depreciation, and repairs. Remove the $9,000 and taxable rental profit rises by that much. At a 24% marginal rate, that’s $2,160 more in federal tax every year. There is no standard deduction backstop on a rental. Depreciation, repairs, and property taxes stay available, but they rarely fill the hole that interest leaves.

Your First Tax Return After Payoff

The year you make the final payment is a transition, and filing can be confusing. Your lender will send a final Form 1098 covering interest paid from January 1 through the payoff date. That partial-year figure is fully deductible even if it covers only a few months.⁴ Combine it with any unamortized points, property taxes, and your other deductions to see whether itemizing still beats the standard deduction that year.

Starting the next year, run the numbers again without any mortgage-related deductions besides property taxes. For most homeowners, the standard deduction will clearly win. If you’ve been itemizing on autopilot, the payoff year is the right time to adjust your withholding or estimated payments. Losing a $10,000 interest deduction at a 24% rate means roughly $2,400 more in annual tax. Better to catch that in January than at the April filing deadline.

1
Office of the Law Revision Counsel. 26 USC 163 – Interest
2
Internal Revenue Service. About Form 1098, Mortgage Interest Statement
3
Internal Revenue Service. Real Estate Taxes, Mortgage Interest, Points, Other Property Expenses
4
Internal Revenue Service. Publication 936 (2025), Home Mortgage Interest Deduction
5
Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026
6
Internal Revenue Service. Deductions for Individuals – The Difference Between Standard and Itemized Deductions
7
Office of the Law Revision Counsel. 26 USC 164 – Taxes
8
Internal Revenue Service. Form 8396 (2025)
9
Internal Revenue Service. Retirement Topics – Exceptions to Tax on Early Distributions
10
Internal Revenue Service. Tips on Rental Real Estate Income, Deductions and Recordkeeping