Taking out a HELOC on your primary residence generally requires 15% to 20% equity in the home, a credit score of at least 620 (though 680 or higher is preferred), and a debt-to-income ratio at or below 36% in most cases. From application to funding usually takes two to six weeks, and the resulting line of credit lets you borrow, repay, and re-borrow against your equity for about ten years before the balance converts to a fixed repayment schedule.
What Lenders Look At
Three numbers decide whether you qualify and on what terms: your equity, your credit score, and your debt-to-income ratio.
Equity and the Combined Loan-to-Value Ratio
Your equity is the gap between what your home is worth and what you still owe on it. Lenders measure it through the combined loan-to-value (CLTV) ratio, which stacks your existing mortgage balance and the proposed HELOC together and divides by the appraised value. Most cap CLTV at 80% to 85%. So if your home appraises at $400,000 and you owe $200,000 on the first mortgage, you might qualify for a line of $120,000 to $140,000. A few lenders will stretch to 90%, but they tighten every other requirement when they do.
Credit Score
620 is the floor at most lenders. Many prefer 680 or higher, and the best pricing goes to borrowers above 740. Your score sets the margin the lender adds to the prime rate, so it drives both approval and cost. Pull your report before applying; disputing an error or paying down a card balance can move your score enough to matter.
Debt-to-Income Ratio
DTI adds up every monthly debt payment you carry, including the projected HELOC payment, and divides by gross monthly income. 36% or below is the comfort zone. Some lenders stretch to 43% or even 50% when credit and equity are strong, but you pay for that stretch in rate.
Documents to Have Ready
Organized paperwork shortens underwriting. Expect the lender to ask for:
- Two most recent W-2s if you’re salaried, or two years of federal tax returns with Schedule C or E if you’re self-employed.
- Your current mortgage statement, plus statements for auto loans, student loans, and credit cards.
- A recent property tax bill and proof of homeowners insurance.
- Government-issued photo ID.
Self-employed applicants get more scrutiny. Lenders want to see steady or growing income across both years, and heavy write-offs can shrink the income figure they’ll actually use to qualify you.
How a HELOC Actually Works
A HELOC runs in two phases. The draw period typically lasts ten years. During that time you can borrow up to your credit limit, repay, and borrow again, using checks, a linked card, or transfers. Required payments are usually interest-only, which keeps the monthly cost low but leaves the principal exactly where you left it.
When the draw period ends, the line closes to new borrowing and the balance converts to an amortizing loan over a repayment period that can run up to 20 years. Payments now cover both principal and interest, and they jump. Interest-only on $50,000 at 8% runs about $333 a month; the same balance amortized over 20 years at the same rate runs about $418, and over 10 years about $607. Lenders are required to disclose the potential increase before you open the line.1Consumer Financial Protection Bureau. Regulation Z 1026.40 – Requirements for Home Equity Plans
If the higher payment becomes unmanageable, your choices narrow to refinancing the balance, negotiating a modification, or selling. Paying down principal during the draw period, rather than just servicing interest, is the cleanest way to avoid the squeeze.
Why the Rate Moves
Nearly every HELOC carries a variable rate equal to the U.S. Prime Rate plus a lender-set margin. Excellent credit might get you prime plus 0% to 1%; fair credit can mean prime plus 2% to 3% or more. When the Federal Reserve moves rates, your payment moves with them. Some lenders let you lock a portion of your balance at a fixed rate, which is worth asking about if you’ve drawn a large amount and want predictable payments.
Closing Costs and Your Right to Back Out
Closing costs on a HELOC generally run 2% to 5% of the credit line and cover the appraisal, title search, attorney review, and recording fees. Some lenders waive them as a promotion, but the waiver often comes with a clawback if you close the account within two or three years. Watch also for annual maintenance fees, inactivity fees on unused lines, and early termination fees that can run from a flat $300 to $500 or a percentage of the line.
Federal law gives you three business days after closing to cancel the credit line for any reason without penalty. The lender cannot disburse funds until that window closes.2Consumer Financial Protection Bureau. 12 CFR 1026.23 – Right of Rescission Once it passes, the agreement is binding and your home secures the debt.
When the Lender Can Freeze or Cut the Line
Approval isn’t permanent. Federal rules let your lender suspend draws or reduce your credit limit even if you’ve never missed a payment.3Office of the Comptroller of the Currency. Can the Bank Freeze My HELOC Because the Value of My Home Dropped The main triggers:
- A significant drop in your home’s value. Under Regulation Z, a decline that erases half of the original cushion between the credit limit and available equity is enough.1Consumer Financial Protection Bureau. Regulation Z 1026.40 – Requirements for Home Equity Plans
- A material change in your finances, such as job loss, a large income drop, or bankruptcy.
- Default on the agreement, including missed payments or letting your homeowners insurance lapse.
This is the risk borrowers most often overlook. If you’re planning to keep an untapped HELOC as an emergency reserve, understand that it can disappear during exactly the kind of downturn that would make you want to use it.
What Default Puts at Risk
A HELOC is secured by your home. After roughly 90 days of missed payments, collection efforts escalate, and because the HELOC creates a lien on the property, the lender has a legal path to foreclosure. In practice, HELOC lenders usually sit in second-lien position behind your primary mortgage, so foreclosure isn’t typically their first move. In a foreclosure sale, the first mortgage gets paid first; the HELOC lender collects from whatever remains. If the proceeds don’t cover both debts, the HELOC lender can pursue a deficiency judgment in states that allow them, and that can lead to wage garnishment. Missed payments also damage your credit score enough to make future borrowing markedly harder and more expensive.
Is the Interest Tax Deductible?
Only sometimes. HELOC interest is deductible under current federal rules only if the borrowed funds go toward buying, building, or substantially improving the home that secures the loan.4Internal Revenue Service. Publication 936 – Home Mortgage Interest Deduction A kitchen remodel or new roof qualifies. Paying off credit cards or covering tuition does not, even though your house secures the debt.5Internal Revenue Service. Real Estate Taxes, Mortgage Interest, Points, Other Property Expenses
For loans taken after December 15, 2017, the combined primary-mortgage-plus-HELOC balance must stay at or below $750,000 ($375,000 if married filing separately) for the interest to remain deductible. Interest on debt above that ceiling gets no deduction.5Internal Revenue Service. Real Estate Taxes, Mortgage Interest, Points, Other Property Expenses
Two practical catches. You have to itemize on Schedule A to claim the deduction. The 2026 standard deduction is $16,100 for single filers and $32,200 for joint filers,6Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 so if your itemized deductions don’t clear that bar, the HELOC interest deduction is worth nothing to you. And you need records showing exactly what every dollar was spent on. If you mixed improvement costs and personal spending on the same line, only the improvement portion produces deductible interest. Your Form 1098 shows total interest paid but doesn’t sort deductible from non-deductible; that’s on you to document.7Internal Revenue Service. About Form 1098, Mortgage Interest Statement
HELOC, Home Equity Loan, or Cash-Out Refinance
A HELOC is one of three common ways to convert home equity to cash, and the right choice depends on how you’ll use the money.
A home equity loan pays out a lump sum at a fixed rate with equal monthly payments over a set term. It fits a one-time, known expense. You get payment predictability and lose the ability to borrow, repay, and re-borrow.
A cash-out refinance replaces your existing mortgage with a new, larger one and pays you the difference. It makes sense mainly when current rates are lower than your existing mortgage rate, because you’re rewriting the whole loan. Closing costs run 2% to 6% of the total loan, much more than a HELOC, and you reset the clock on the mortgage.
A HELOC wins on flexibility and low upfront cost. It suits ongoing projects, staggered expenses, or simply keeping a line available. The catch is the variable rate: over a ten-year draw period, no one can tell you where rates will go, and your payment will move with them.