You can deduct interest on a home equity loan only if the borrowed money was used to buy, build, or substantially improve your primary residence. The IRS treats this interest as mortgage interest under specific conditions, not as personal loan interest.
Home equity loans are second mortgages secured by the value you've built in your home. Unlike standard mortgage interest, which is generally deductible, home equity loan interest is subject to strict rules. The IRS limits deductions based on the amount borrowed, the purpose of the funds, and your mortgage debt.
The deduction applies only to loans taken out after December 15, 2017. Before that date, higher limits applied. For 2023 and 2024, the maximum deductible interest is tied to the total mortgage debt on your home, including both your original mortgage and any home equity loan.
The IRS allows you to deduct interest on up to $750,000 of qualified mortgage debt ($375,000 if married filing separately). This limit includes your original mortgage and any home equity loan used for eligible purposes. If your combined mortgage and home equity loan debt exceeds this cap, you lose the deduction on the excess.
For example, if you have a $600,000 mortgage and take out a $200,000 home equity loan to remodel your kitchen, the total debt is $800,000. Since this exceeds the $750,000 threshold, you cannot deduct interest on the $50,000 portion of the home equity loan that pushes you over the limit.
If you use the loan proceeds for unrelated purposes-like paying off credit card debt or funding a vacation-the interest is not deductible. The IRS requires that funds be used for home-related improvements to qualify. Even if you borrow against your home's equity, the deduction depends entirely on how you spend the money.
Funds used to buy, build, or substantially improve your home qualify. Substantial improvement means renovations that increase the home's value, extend its useful life, or adapt it to new uses. Examples include adding a room, replacing a roof, installing a new HVAC system, or upgrading kitchen cabinets.
Simple repairs, such as painting or fixing a leaky faucet, do not count. Nor does refinancing an existing mortgage or using the loan to pay off consumer debt. The IRS makes this clear in Publication 936, which states that interest on loans used for personal expenses is not deductible.
A common error is assuming that because you're borrowing against your home's equity, the interest is automatically deductible. That's false. The purpose of the loan determines eligibility. If you took a $50,000 home equity loan to consolidate student loans, the interest is not deductible-even if you own a home.
Interest on home equity loans is deductible only if the loan is secured by your home and the funds were used for qualified purposes. The IRS defines "qualified residence" as your main home and one additional home, but only if you meet ownership and use tests.
For 2023 and 2024, the maximum deductible mortgage debt is $750,000 for single filers and joint returns. Married couples filing separately are limited to $375,000 each. If your total mortgage debt exceeds this, the excess interest is not deductible.
You must itemize deductions on Schedule A of Form 1040 to claim the home equity loan interest deduction. If you take the standard deduction, you cannot claim this benefit. This rule applies to all mortgage interest deductions, including those on home equity loans.
| Loan Purpose | Deductible? | IRS Basis |
|---|---|---|
| Renovating kitchen to increase home value | Yes | Publication 936, page 4 |
| Paying off credit card balance | No | IRS Form 1098 instructions, Part II |
| Building a garage on property | Yes | Internal Revenue Code ยง 163(h)(3) |
| Financing a vacation home purchase | No | Publication 936, page 5 |
To claim the deduction, you must receive Form 1098 from your lender by January 31. This form reports the total interest paid during the year. Enter the amount on line 10 of Schedule A (Itemized Deductions).
Keep records showing how you used the loan funds. Receipts, contracts, and invoices for renovations prove the money went toward substantial improvements. Without documentation, the IRS may disallow the deduction even if the loan meets technical requirements.
I once reviewed a client's tax return where they claimed $8,200 in home equity loan interest. The loan was for a bathroom renovation, but the client had no receipts-just a bank statement showing the transfer. The IRS rejected the deduction during an audit. The lesson: documentation matters as much as intent.
Many people assume that because their home equity loan is secured by their house, the interest is automatically deductible. That's incorrect. The IRS distinguishes between secured debt and qualified debt. Only debt used for eligible home purposes qualifies.
Another misconception is that the deduction applies to all home equity lines of credit (HELOCs). While HELOCs are treated similarly, the same rules apply: funds must be used for home improvements. A HELOC used to pay for a child's college tuition does not qualify.
Finally, the deduction is not available if you use the loan to refinance an existing mortgage. Refinancing doesn't count as a substantial improvement. The IRS considers refinancing a change in financing terms, not a home improvement.
Interest is not deductible if:
If you're unsure whether your loan qualifies, consult IRS Publication 936 or speak with a tax professional. The IRS does not provide advance rulings on individual cases, so planning ahead is essential.
Yes, you can deduct home equity loan interest-but only if the funds were used to buy, build, or substantially improve your home. The deduction is capped at $750,000 of total mortgage debt and requires itemizing deductions. Without proper documentation and usage, the IRS will deny the claim.