Can I Deduct My Mortgage Interest?

Gregory Jul 09, 2026

If you're a homeowner with a mortgage, you might be wondering, "Can I write my mortgage interest off?" The short answer is yes, but with some caveats. Understanding the tax implications of mortgage interest can help you maximize your deductions and save money. Let's delve into the details.

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Your Life After Mortgage is Paid Off [What to do and What Changes]

Mortgage interest can indeed be tax-deductible, thanks to the mortgage interest deduction (MID) allowed by the IRS. This deduction can significantly lower your taxable income, potentially reducing your tax liability. However, there are specific rules and limitations you need to be aware of.

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How I Paid Off My $400,000 Mortgage In 7.5 Years, Before I Was 32

Understanding the Mortgage Interest Deduction

The MID allows you to deduct the interest you pay on your mortgage up to certain limits. This deduction is part of the itemized deductions you can claim on Schedule A of your federal tax return. However, not all mortgage interest is deductible.

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Why Does My Mortgage Payment Change From Year To Year? How Mortgage Escrow Works • KateHorrell

Only the interest on mortgage debt up to $750,000 ($375,000 for married filing separately) for new mortgages taken out after December 15, 2017, is deductible. For mortgages taken out before that date, the limit is $1 million ($500,000 for married filing separately).

Qualifying Mortgages

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Pros and Cons of Paying Off Your Mortgage Early

To qualify for the MID, your mortgage must be secured by your main home or a second home. Investment properties do not qualify. The loan must also be used to buy, build, or improve your home. Home equity loans and lines of credit can also qualify, but only if the proceeds are used to buy, build, or improve your home.

For example, if you took out a home equity loan to pay for college tuition, the interest would not be deductible. However, if you used the loan to add a new room to your home, the interest would be deductible.

Limitations and Phaseouts

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How Stephanie Paid Off Her Mortgage Early

While the MID can provide significant tax savings, it's not available to everyone. If your adjusted gross income (AGI) is above a certain threshold, your deductions may be limited. This is known as the "Pease limitation," named after the late Congressman Donald Pease.

For 2021, the Pease limitation begins to phase in at an AGI of $261,500 for single filers and $313,800 for married filing jointly. For every dollar of AGI above these thresholds, 3% of your itemized deductions, including the MID, are disallowed. However, the Pease limitation is subject to change and may be suspended in certain years.

Other Considerations

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The Beginner's Guide to Paying Off Your Mortgage Early

In addition to the MID, there are other tax implications of mortgage interest to consider. For instance, when you sell your home, you may be able to exclude up to $250,000 ($500,000 for married filing jointly) of capital gains related to the sale, thanks to the home sale exclusion. This can help you avoid paying taxes on the profit you make from the sale of your home.

However, if you've taken out a home equity loan, the interest you pay on that loan may reduce the amount of capital gains you can exclude. For example, if you took out a $50,000 home equity loan and used the proceeds to improve your home, you might not be able to exclude the full $250,000 if you later sell your home for a profit.

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Points and Private Mortgage Insurance (PMI)

When you take out a mortgage, you may pay "points" to lower your interest rate. These points are deductible in the year you pay them, up to certain limits. However, if you refinance your mortgage, you must deduct the points over the life of the loan.

Private mortgage insurance (PMI) premiums are also deductible, but only if your adjusted gross income is less than $109,000 (or $54,500 for married filing separately). The deduction phases out as your AGI increases and is completely disallowed at $119,000 (or $59,500 for married filing separately).

In the end, understanding the tax implications of mortgage interest can help you make informed decisions about your home purchase and maximize your tax deductions. It's always a good idea to consult with a tax professional or use tax preparation software to ensure you're taking advantage of all the deductions you're entitled to. As always, stay informed and plan ahead to make the most of your homeownership journey.