You can use a home equity loan for almost any legal purpose: home renovations, paying off credit cards, tuition, medical bills, a down payment on another property, business startup costs, or major life expenses. The lender hands you a lump sum at closing and generally doesn’t dictate where each dollar goes. But how you spend the money matters for two reasons: only one use gives you a tax deduction on the interest, and every use puts your home on the line as collateral. That combination is what separates smart uses from ones you should think hard about.
Home Improvements and Repairs
Renovations and structural repairs are the most common use, and the only one that qualifies for the mortgage interest deduction under current federal law. A new kitchen, a roof replacement, an added bathroom, a deck, or a basement conversion all count as improvements that add value or extend the home’s useful life. Because the money arrives as a lump sum, you can negotiate bulk pricing on materials and pay contractors on a predictable schedule instead of scrambling at each milestone.
The IRS draws a hard line between improvements and routine maintenance. Replacing all the windows in your home counts as an improvement. Patching a cracked pane does not. Repainting the exterior is maintenance; adding wall insulation is an improvement. If you’re counting on the deduction, every dollar needs to go toward work that genuinely adds value or adapts the home to a new use, not toward fixing normal wear and tear.
Improvements also raise your home’s adjusted basis, which lowers the taxable gain when you eventually sell. Most sellers already exclude up to $250,000 of gain ($500,000 for joint filers), but in high-appreciation markets that ceiling gets tested.1Internal Revenue Service. Topic No. 701, Sale of Your Home
Debt Consolidation
Rolling high-interest credit cards or personal loans into a home equity loan is the second most popular use. Credit card rates often exceed 20 percent; home equity loan rates run far lower because the debt is secured by your house. Consolidating several balances into one fixed payment also cuts down the number of due dates you have to track.
Two things to understand before you sign. The interest is not tax-deductible when the money pays off other debt. And you’ve changed the nature of what you owe: unsecured debt, where the worst outcome is a collections call and a credit hit, becomes debt your lender can foreclose on. Consolidation only helps if you stop running the cards back up. Otherwise you end up with the original balances back on the cards plus a new lien on your home.
Education and Medical Costs
Tuition, room and board, and professional training are common targets. Unlike federal student loans, home equity loans have no borrowing caps tied to cost of attendance, so they can cover what financial aid leaves behind. The funds are available at closing rather than on a disbursement schedule.
Medical expenses work the same way. Homeowners use equity for surgeries, long-term care, high-deductible treatments, and specialized therapies insurance won’t fully cover. A lump sum can be cheaper than a hospital payment plan carrying its own interest. Neither use qualifies for the interest deduction, because the money isn’t going into the home.
Investment Property and Business Capital
Some homeowners pull equity from their primary residence to fund a down payment on an investment property or a second home, using the lump sum for upfront capital without touching retirement accounts. Others use it as startup capital: equipment, inventory, early overhead, a commercial lease.
The risk stacks up here. You’re betting your home’s security on the success of a separate venture. If the rental doesn’t cover its costs or the business doesn’t generate enough revenue, you still owe the equity loan, and your primary residence is the collateral. Interest used this way isn’t deductible as mortgage interest, though a portion tied to business purposes may be deductible as a business expense under different rules. Ask a tax professional before you count on any write-off.
What Your Loan Agreement and the Law Won’t Allow
Your loan agreement itself may limit how you spend the proceeds. Most lenders prohibit illegal activity, and many restrict high-risk speculation like day trading or gambling. During the application, you typically sign a statement of purpose describing the intended use.
Lying on that statement is a serious matter. At a minimum it can trigger a technical default. In extreme cases it can support a federal bank fraud charge, which carries penalties of up to $1,000,000 in fines and up to 30 years in prison.2Office of the Law Revision Counsel. 18 USC 1344 – Bank Fraud If your planned use sits in a gray area, ask the lender directly before closing.
How the Interest Deduction Actually Works
The Tax Cuts and Jobs Act of 2017 eliminated the old rule that let homeowners deduct interest on up to $100,000 of home equity debt regardless of use. The One Big Beautiful Bill Act of 2025 made that change permanent. Interest is now deductible only when the borrowed money is used to buy, build, or substantially improve the home securing the loan.3Internal Revenue Service. Publication 936 (2025), Home Mortgage Interest Deduction
The total mortgage debt eligible for the deduction is capped at $750,000 for most filers, or $375,000 for married taxpayers filing separately. That cap covers your primary mortgage and the equity loan combined. If your existing mortgage is $600,000 and you take a $200,000 equity loan to renovate, only $150,000 of the equity loan falls inside the deductible limit.3Internal Revenue Service. Publication 936 (2025), Home Mortgage Interest Deduction
Any other use, from debt consolidation to tuition to a business, produces interest that is simply not deductible on your federal return.4Tax Policy Center. How Did the TCJA and OBBBA Change the Standard Deduction and Itemized Deductions
Splitting a Mixed-Use Loan
If you use part of the loan for a qualifying improvement and part for something else, you don’t lose the whole deduction. You allocate interest proportionally. Borrow $80,000, spend $50,000 on a new roof and $30,000 on credit cards, and you can deduct 62.5 percent of the interest. Publication 936 walks through the formula.3Internal Revenue Service. Publication 936 (2025), Home Mortgage Interest Deduction
To defend the deduction if the IRS asks, keep contractor invoices, materials receipts, permits, and dated payment records tying the loan proceeds to specific improvements. Homeowners who mix equity funds into a regular checking account tend to lose that paper trail. Depositing the proceeds into a dedicated account and paying every improvement expense from it keeps the connection clean.
The Foreclosure Risk Behind Every Use
A home equity loan creates a lien on your property. Stop making payments and the lender can start foreclosure and force a sale, even if your first mortgage is current. The equity lender holds a junior lien, so they’re paid after the first mortgage from the sale proceeds, but their right to pursue the property is real.
If the sale doesn’t cover what you owe, many states allow the lender to seek a deficiency judgment for the balance. That leftover debt becomes unsecured, and the lender can pursue standard collection tools like wage garnishment or bank levies. Some states limit or prohibit deficiency judgments, but don’t assume that protection without checking your state’s rules.
The practical rule: don’t borrow against your home for anything you could fund another way, and don’t borrow more than you can carry if your income drops. Consolidation only pays off if the old habits stop. Business borrowing only makes sense if you can cover the payment whether the business succeeds or not.
Your Three-Day Right to Cancel
Federal law gives you a cooling-off period after closing on most home equity loans. You have until midnight of the third business day to cancel for any reason, with no penalty. The clock starts once you’ve signed the documents, received your Truth in Lending disclosure, and received two copies of a notice explaining your right to cancel.5Consumer Financial Protection Bureau. Right of Rescission
For rescission, business days include Saturdays but not Sundays or federal holidays. If the lender fails to provide the required disclosures or cancellation notice, your window to rescind can extend up to three years from closing.6eCFR. 12 CFR 1026.23 – Right of Rescission
One boundary worth naming: this right covers refinances and equity products secured by your primary residence. It does not apply to the purchase mortgage you originally used to buy the home.