Sometimes yes, sometimes no. HELOC interest is tax deductible in 2026 only if you use the money to buy, build, or fix up the same home that backs the HELOC. If you use the money for other things, like paying off credit cards or going on vacation, you cannot deduct the interest.
The Simple Rule on HELOC Tax Deductibility
The IRS has one main rule for HELOC interest. You can deduct it only if you spend the money on your home.
Here is the rule in plain words:
- Use the money to buy a home → interest is deductible
- Use the money to build a home → interest is deductible
- Use the money to fix up your home in a big way → interest is deductible
- Use the money for anything else → interest is NOT deductible
This rule comes from IRS Publication 936, which sets the tax rules for home loans. The rule is the same for both HELOCs and home equity loans.
What Counts as “Fixing Up Your Home in a Big Way”?
The IRS uses a fancy term: “substantially improve.” It means a project that adds value, makes the home last longer, or changes how the home is used.
These projects count:
- Adding a new room
- Putting on a new roof
- Putting in a new kitchen
- Replacing the HVAC system
- Adding a garage
These projects do NOT count:
- Painting a room
- Fixing a leaky faucet
- Replacing the carpet
- Routine repairs
If you are planning a real renovation, home equity loans used for qualifying remodel projects explains how to set up the loan correctly.
What Does NOT Get the Deduction
Many people use HELOC money for things that are not home projects. The IRS does not allow the deduction for these uses:
- Paying off credit cards
- Paying for college
- Buying a car
- Going on vacation
- Paying medical bills
- Starting a business
Even though your home backs the HELOC, the interest is not deductible when you spend the money on these things. The rule is about what you spend the money on, not about the loan itself.
The Dollar Limit
There is also a limit on how much loan interest you can deduct. In 2026, the IRS lets you deduct interest on up to $750,000 of total home loan debt if you are married and filing jointly. The limit is $375,000 if you are married filing separately. This limit includes your main mortgage plus your HELOC.
You Must Also Itemize
To deduct HELOC interest, you must itemize your taxes on Schedule A. Most people take the standard deduction instead, which is bigger and easier. If you take the standard deduction, you cannot deduct HELOC interest. This means many homeowners do not actually get to use the deduction, even when their loan qualifies.
Some homeowners look at other paths, such as refinance options for homeowners using equity for home upgrades, to see which structure fits best.
Bottom Line on Deducting HELOC Interest
HELOC interest is deductible in 2026 only when you spend the money to buy, build, or seriously fix up the home that backs the loan. You also have to itemize on Schedule A and stay within the $750,000 mortgage debt cap. Use the money for personal expenses and the interest is not deductible. Always keep your receipts and talk to a tax pro.
Frequently Asked Questions
Can I deduct HELOC interest if I use the money to pay off credit cards?
No. The IRS says you cannot deduct HELOC interest when you use the money to pay off credit cards. The same rule applies to using the money for tuition, medical bills, or any other personal expense. The only deductible use is for buying, building, or substantially improving the home that backs the HELOC. The use of the money decides the deduction.
What proof do I need to deduct HELOC interest?
You need to show how you spent the money. Keep receipts, contractor invoices, building permits, and bank records that show the HELOC funds going to home improvement projects. The IRS may ask for proof if you claim the deduction. Saving these records from the start makes tax time easier and protects you if you are ever audited.
Is HELOC interest still deductible in 2026 after recent tax law changes?
Yes, in 2026 HELOC interest is still deductible under the same rules. The Tax Cuts and Jobs Act rules apply, made permanent under the One Big Beautiful Bill Act. You still must use the money to buy, build, or substantially improve your home. The $750,000 combined debt cap and the itemization requirement also remain in place. Always confirm current rules with IRS Publication 936 or a CPA.
Reviewed by: John Tappan NMLS# 394171 | Updated June 2026
Disclosure: This article reflects 2026 IRS rules from Publication 936, the Tax Cuts and Jobs Act, and the One Big Beautiful Bill Act. Tax rules can change and depend on your situation. This is not tax advice. Always check with a CPA or tax pro before claiming any deduction. BD Nationwide introduces consumers with lending companies and does not give tax advice.
References:
- Internal Revenue Service. (2025, October 28). Publication 936 (2025): Home mortgage interest deduction.