You can deduct the interest that you pay on your mortgage loan if the loan meets IRS mortgage requirements.
• When you repay a mortgage loan, you can typically deduct the interest portion of your payments if the loan meets IRS mortgage requirements.
• Mortgage interest usually is deductible if the loan is secured by your home and the proceeds of the loan are used to buy, build or improve your main residence, plus one other home you own that you also use for personal purposes.
• Mortgage interest for a rental home typically does not qualify as an itemized deduction but usually qualifies as a rental expense deduction.
• Deductible interest for new loans for your personal residence is limited to principal amounts $750,000.
Mortgage interest deduction
When you repay a mortgage loan, the payments are almost completely composed of interest rather than principal in the first few years. Even later on, the interest portion can still be a significant portion of your payments. However, you can deduct the interest that you pay if the loan meets IRS mortgage requirements.
Mortgage loan requirements
In order for your mortgage payments to be eligible for the interest deduction, the loan must be secured by your home, and the proceeds of the loan must have been used to buy, build or improve your main residence, plus one other home you own that you also use for personal purposes.
If you rent out your second home to tenants during the year, then it’s not being used for personal purposes and doesn’t qualify for the mortgage interest deduction. However, rental homes will qualify if you also use it as a residence for the greater of 15 days or more per year or more than 10 percent of the days you rent it to tenants.
TurboTax Tip: Mortgage discount points usually are deductible in the year that you purchase the home. If not, you typically can deduct them over the repayment period.
Mortgage balance limitations
The IRS places several limits on the amount of interest that you can deduct each year. For tax years before 2018, the interest paid on up to $1 million of acquisition indebtedness is deductible if you itemize deductions. The interest on an additional $100,000 of debt can be deductible if certain requirements are met.
Starting in 2018, deductible interest for new loans is limited to principal amounts of $750,000. Loans originated prior to 12/16/2017, or under a binding contract that closes prior to 4/1/2018, remain under the old rules for tax years prior to 2018.
If you are married and file a separate return from your spouse, then the limitation is cut in half. These limits are cumulative for all of your mortgage debt on both homes. For example, if you are single and have a mortgage on your main home for $800,000, plus a mortgage on your summer home for $400,000, you would only be able to deduct the interest on the first $1 million, even though both loans are each under the $1,000,000 limit for tax years prior to 2018.
Including mortgage points
Mortgage discount points, also known as prepaid interest, are generally the fees you pay at closing to obtain a lower interest rate on your mortgage. These costs are usually deductible in the year that you purchase the home; but if not, you can deduct them pro rata over the repayment period. For example, if you pay $3,000 in points to obtain a lower interest rate on your mortgage, you can increase your mortgage interest deduction by $3,000 in the tax year you close on the home.
Claiming the mortgage interest deduction
You cannot claim a mortgage interest deduction unless you itemize your deductions. This requires you to use Form 1040 to file your taxes, and Schedule A to report your itemized expenses. The interest payments and points you pay are combined with all other deductions you claim on Schedule A; the total of which reduces your income that is subject to tax on the second page of your tax return.
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