Can I Write Off My Mortgage?

Gregory Jul 09, 2026

If you're a homeowner, you might be wondering, "Can I write my mortgage off?" The short answer is yes, but it's not as simple as it sounds. Mortgage interest is typically tax-deductible, but there are several factors to consider. Let's dive into the details.

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Firstly, it's crucial to understand that the mortgage interest deduction is subject to certain rules and limitations. The Tax Cuts and Jobs Act (TCJA) of 2017 significantly increased the standard deduction, making it less likely that you'll itemize deductions, including mortgage interest.

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Qualifying for Mortgage Interest Deduction

To claim mortgage interest as a deduction, you must itemize your deductions using Form 1040, Schedule A. This means your total deductions must exceed the standard deduction for your filing status.

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For the 2021 tax year, the standard deductions are:

  • Single: $12,550
  • Head of Household: $18,800
  • Married Filing Jointly or Qualifying Widower: $25,100
  • Married Filing Separately: $12,550
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Mortgage Interest Limit

There's a limit to how much mortgage interest you can deduct. For mortgages taken out after October 13, 1987, you can deduct interest on up to $750,000 of mortgage debt for a first or second home. If you're married filing separately, the limit is $375,000.

For mortgages taken out before October 14, 1987, the limit is $1,000,000, or $500,000 for married filing separately.

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Points and Private Mortgage Insurance (PMI)

You can also deduct the interest paid on mortgage points, as long as they're considered mortgage interest. PMI premiums, however, are not deductible unless they're paid as an add-on to your mortgage interest.

If you're self-employed, you might be able to deduct PMI as a business expense, but this can be complex and should be discussed with a tax professional.

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Other Considerations

Even if you qualify for the mortgage interest deduction, it might not be as valuable as you think. The TCJA lowered the top marginal tax rate from 39.6% to 37%, reducing the potential benefit of itemizing deductions.

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Moreover, if your adjusted gross income (AGI) is above a certain threshold, your mortgage interest deduction may be limited. This is known as the Pease limitation, and it phases out 3% of your itemized deductions for every dollar of AGI over the threshold.

State and Local Taxes

Before the TCJA, you could deduct state and local income, sales, or property taxes up to $10,000 per year ($5,000 for married filing separately). However, the TCJA placed a $10,000 limit on the combined deduction of state and local income, sales, and property taxes.

This limit can make it more difficult to itemize deductions, further reducing the benefit of the mortgage interest deduction.

Home Equity Loans and Lines of Credit

Interest on home equity loans and lines of credit is generally deductible if the proceeds are used to buy, build, or substantially improve your home. However, the TCJA suspended the deduction of interest on home equity debt for tax years 2018-2025, except for debt used to buy, build, or substantially improve your home.

If you're considering a home equity loan or line of credit, it's crucial to understand these changes and how they might affect your taxes.

In the end, whether you can "write off" your mortgage depends on your individual tax situation. It's always a good idea to consult with a tax professional to understand how the mortgage interest deduction applies to your specific circumstances. They can provide personalized advice and help you navigate the complex world of taxes.