The home mortgage interest deduction (HMID) is one of the most cherished American tax breaks. Realtors, homeowners, would-be homeowners, and even tax accountants tout its value. In truth, the myth is often better than reality.
- The home mortgage interest deduction (HMID) allows itemizing homeowners to deduct mortgage interest paid on up to $750,000 worth of their loan principal.
- The Tax Cuts and Jobs Act (TCJA) passed in 2017 reduced the maximum mortgage principal eligible for the deductible interest to $750,000 (from $1 million) for new loans.
- The TCJA also nearly doubled standard deductions, making it unnecessary for many taxpayers to itemize.
Calculating The Mortgage Interest Tax Deduction
Most Homeowners Now Get Nothing
The Tax Cuts and Jobs Act (TCJA) passed in 2017 changed everything. It reduced the maximum mortgage principal eligible for the deductible interest to $750,000 (from $1 million) for new loans (which means homeowners can deduct the interest paid on up to $750,000 in mortgage debt). But it also nearly doubled standard deductions when it eliminated the personal exemption, making it unnecessary for many taxpayers to itemize since they could not longer take both the personal exemption and itemize deductions at the same time.
For the first year following the implementation of the TCJA, an estimated 135.2 million taxpayers were expected to opt for the standard deduction. By comparison, 20.4 million were expected to itemize, and, of those, 16.46 million would claim the mortgage interest deduction.
The mortgage interest tax deduction is perhaps the most misunderstood aspect of homeownership. It has taken on near-mythical status to the point where many would-be homeowners are sold on the benefits before they even examine the math to determine their eligibility.
Underlying the myth are two primary misconceptions: The first is that every homeowner gets a tax break, and the second is that every dollar paid in mortgage interest results in a dollar-for-dollar reduction in income tax liability.
The Mortgage Interest Deduction Now
Misconception 1: You Will Get a Tax Break
Despite the hype, the overwhelming majority of homeowners receive no tax break at all from the mortgage interest tax deduction. Keep in mind that to even qualify for the deduction, homeowners must itemize their deductions when determining their income tax liability. Itemizing provides an opportunity to account for specific expenses, including mortgage interest, property taxes, and partial medical expenses. As mortgage interest is often the largest of these expenses that a taxpayer pays, deducting it is often cited as a financial incentive to buy a home.
Once again, while an attractive idea in theory, the reality is that passage of the TCJA means that itemizing deductions no longer makes sense for most people.
For taxpayers who are single or married but filing separately, the standard deduction is $12,950 in 2022 (increasing to $13,850 in 2023). For heads of households, it is $19,400 in 2022 (increasing to $20,800 in 2023). For married couples filing jointly, the standard deduction is $25,900 in 2022 (increasing to $27,700 in 2023).
Taxpayers who do not have deductions that add up to more than the standard deduction amounts would not need to itemize, and, therefore, derive no tax benefit from paying interest on their mortgages.
Misconception 2: It Will Be a Hefty Deduction
Even for homeowners who itemize their taxes and qualify for the mortgage interest tax deduction, the amount of the deduction is a mere fraction of the amount of interest paid on the mortgage. Once again, a little number crunching is required to fully comprehend the situation because the deduction is not a tax credit.
You don’t get a $1 tax break for every dollar spent; you get pennies on the dollar. Unlike a credit—which provides a dollar-for-dollar reduction on actual tax amounts owed—the mortgage interest deduction reduces the amount of total income subject to tax based on the taxpayer’s tax bracket.
For a simplified example, a taxpayer spending $12,000 on mortgage interest and paying taxes at an individual income tax rate of 24% would be permitted to exclude $12,000 from income tax liability, resulting in a savings of $2,880. In effect, the homeowner paid $12,000 to the bank in interest to get less than a fourth of that amount excluded from taxation.
Spending $12,000 to reduce the amount of money you will pay in taxes by $2,880 simply makes no sense. Worse yet, an honest assessment of the actual bottom-line savings should factor out the value of the standard deduction. The table below provides a comparison.
|Taxpayer Status||Standard Deduction (2022)||Value of Standard Deduction in 24% Tax Bracket||Value of Mortgage Deduction on $12,000 in Interest||Bottom Line: Difference Between Standard Deduction and Mortgage Deduction|
|Single||$12,950||$3,108||$2,880||$228 in favor of standard|
|Head of Household||$19,400||$4,656||$2,880||$1,776 in favor of standard|
|Married||$25,900||$6,216||$2,880||$3,336 in favor of standard|
Using our $12,000 mortgage interest example, a married couple in the 24% tax bracket would get a $25,900 standard deduction in 2022, which is worth $6,216 in reduced tax payments. If the couple itemized their deductions on Schedule A, the mortgage deduction would come to $2,880.
The couple would get the tax reduction value of the standard deduction even if they do not have a mortgage. The difference between the two—the tax break gained by paying $12,000 in real dollars to the bank in mortgage interest—would be a loss of $3,336. Taking the standard deduction would be far wiser than itemizing just to receive the mortgage interest tax deduction.
Even taxpayers in higher tax brackets would get no benefit unless they have other high-dollar-value deductions to itemize. A taxpayer spending $12,000 on mortgage interest and paying taxes at an individual income tax rate of 35% would receive only a $4,200 tax deduction. That’s slightly less than what the taxpayer would receive from taking the standard deduction. The “benefit” of the mortgage interest deduction is shown in the table below.
|Taxpayer Status||Standard Deduction (2022)||Value of Standard Deduction in 35% Tax Bracket||Value of Mortgage Deduction on $12,000 in Interest||Bottom Line: Difference Between Standard Deduction and Mortgage Deduction|
|Single||$12,950||$4,532.5||$4,200||$332.5 in favor of standard deduction|
|Head of Household||$19,400||$6,790||$4,200||$2,590 in favor of standard deduction|
|Married||$25,900||$9,065||$4,200||$4,865 in favor of standard deduction|
Structured this way, it is not surprising that a tax deduction arguably put in place to encourage home purchases tends to be used primarily by higher-income households.
Additionally, there is a limitation in place on how much of your mortgage interest can be deducted. For 2022, the limit is the mortgage interest paid on the first $750,000 of indebtedness for a married couple or $375,000 if single or married filing separately. A slightly higher limit exists for indebtedness that was incurred prior to Dec. 16, 2017 ($1,000,000 for married filing jointly and $500,000 if single or married filing separately).
A Better Way
Rather than spending large amounts of money on interest for little in return, you would be far better off to pay cash for your new house. A cash purchase will save you tens of thousands of dollars because you will not be paying interest.
Of course, there’s always the argument that you could make more money by paying the interest and investing the rest of your money in the stock market. It seems like a great strategy when the market is going up, but prognosticators giving that advice are nowhere to be seen when the stock market drops by 40%, home values fall by 40%, and their investment advice leaves homeowners owing more on their mortgages than the home is worth.
No investment out there will guarantee better returns than the amount you would save by avoiding interest payments altogether, so the conservative choice is clear. Avoid making interest payments if you can. Pay off the house quickly if you cannot.
Is Mortgage Interest Tax Deductible in 2022 and 2023?
Yes, mortgage interest is tax deductible in 2022 and 2023 up to a loan limit of $750,000 for individuals filing as single, married filing jointly, or head of household. If married but filing separately, the amount is $375,000 each.
When Is Deducting Mortgage Interest Not Possible?
Mortgage interest is only deductible if your mortgage is secured by your home not if it is a personal loan. Also, the mortgage must be secured by your primary or secondary home. Any more homes, such as a third or fourth home, will not qualify for a mortgage interest deduction.
How Much of a Downpayment Do I Need for a Mortgage?
Traditionally, a 20% downpayment is required for a mortgage. Prospective homeowners can put down more, which would reduce the monthly mortgage payment. It is also possible to put down less than 20%, but then a homebuyer may have to pay private mortgage insurance (PMI).
The Bottom Line
The home mortgage deduction can be beneficial if it works in your favor; however, many homeowners don't actually receive the tax benefit based on their financial condition. Before buying a home, take a look at what will work best for you, it might make more sense putting down more cash and avoiding as many interest payments as you can.
Internal Revenue Service. "Publication 936, Home Mortgage Interest Deduction."
Internal Revenue Service. “Be Tax Ready—Understanding Tax Reform Changes Affecting Individuals and Families.”
U.S. Congress, Joint Committee on Taxation. “Overview Of The Federal Tax System As In Effect For 2018,” Pages 4, 36.
Internal Revenue Service. "IRS Provides Tax Inflation Adjustments for Tax Year 2023."
Internal Revenue Service. "Topic No. 501, Should I Itemize?"
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