HELOC vs Home Equity Loan

HELOC vs home equity loan: the short answer

A home equity loan is one amount, one rate, one payment. You close, you receive a check, and for the next 15 years the number on the statement does not move. On $50,000 at 8.25% fixed that is $485.07 a month and $37,313 of interest across 180 payments. It is the right instrument when you know the amount and you want the payment locked.

A HELOC is a revolving line with a variable rate. You draw only what you need, you pay interest on the outstanding balance, and during the typical 10-year draw period the required payment is interest only: $354.17 a month on a $50,000 balance at 8.50%. The line then converts to a 20-year repayment schedule of principal and interest at $433.91. The flexibility is real, and so is the payment shock at the end of the draw.

Take the home equity loan when the cost is known and you want certainty. Take the HELOC when the amount is genuinely uncertain, such as a staged renovation or a reserve you may never use. If your existing first mortgage carries a low rate, check a cash-out refinance before either one, because replacing a 3.5% first with a 6.5% refinance can cost more than keeping it and layering a second lien.

What is a HELOC? What is a home equity loan?

A HELOC, home equity line of credit, is a revolving credit line secured by a second position lien on your house. You are approved for a maximum, typically 85% of your home's value minus what you already owe, and you draw against it during the draw period of usually 10 years. Repay what you draw and the credit restores, the way a credit card works. Most HELOCs require interest-only payments during the draw, which is why the payment looks cheap: on $50,000 at 8.50% the interest is 50,000 × 0.085 ÷ 12 = $354.17 a month and not one dollar goes to principal. When the draw period ends the balance amortizes over the repayment period, usually 20 years, and the payment jumps to $433.91 on that same $50,000. The rate is variable, priced as an index plus a margin, so both the payment and the cost of carry move with the market. Pros: draw what you need, pay interest only on what you use, redraw after repayment, and closing costs are often under $500 or waived. Cons: the rate resets, the payment resets, there is no fixed payoff date during draw, and the discipline to pay principal is entirely yours.

A home equity loan, sometimes called a second mortgage, is a closed-end loan: one lump sum at closing, one fixed rate, one fixed payment, one maturity date. On $50,000 at 8.25% over 15 years the payment is $485.07 and it is still $485.07 in year 14. Because the rate never moves, the lender prices it above the starting HELOC rate, and because the balance amortizes from day one, every payment reduces principal. Pros: predictable budgeting, a known payoff date, no temptation to re-borrow, and no payment shock. Cons: you pay interest on the entire amount from day one even if you only needed part of it, terms are less flexible, and closing costs of 2% to 5% of the loan apply. On $50,000 that is $1,000 to $2,500, versus a HELOC that often runs under $500.

Side-by-side comparison

Ten criteria. Figures use a $50,000 borrow against a $400,000 home with a $300,000 first mortgage already in place.

The balance row is the one borrowers underestimate. Ten years of interest-only payments on a HELOC leave the full $50,000 outstanding, while the home equity loan has already retired $26,218 of principal. Neither is wrong; they are simply solving different problems, and picking the wrong one costs real money.

Where each option wins

When a HELOC is the better choice

• The amount is not final. A kitchen that might cost $35,000 or $55,000, or a roof you may never need, fits a line. You borrow $30,000, pay $212.50 of interest a month at 8.50%, and owe nothing on the undrawn $20,000.
• You will repay quickly. If the plan is to clear the balance in two to three years, a variable rate barely has time to move, and the closing costs you avoid are 1% to 4% of the amount.
• You want the low starting payment. Interest-only of $354.17 against $485.07 frees $130.90 a month during the draw, which matters if the borrowing is bridging a gap rather than funding a permanent expense.
• You need a standby reserve. Open the line, draw nothing, and pay nothing. A home equity loan makes you pay interest on cash sitting idle.
• You can lock portions. Many lenders now let you fix a sub-balance inside the line, giving you the HELOC structure with the home equity loan's certainty on the part that is spent.

When a home equity loan is the better choice

• You know the number. A $50,000 debt consolidation, a $40,000 roof replacement, or a fixed medical bill should be a fixed payment, not a line you keep opening.
• You want principal to fall every month. After 10 years the home equity loan balance is $23,782 and the HELOC balance is $50,000. On a $400,000 home that is a $26,218 difference in your equity position.
• You are risk-averse to rate resets. A 2-point rise on a $50,000 balance costs $83.33 a month during draw and $65.28 a month during repayment. Fixed pricing removes that entirely.
• You will spend it in one shot. The closed-end structure is a spending control. A line that restores as you repay is easy to redraw for things that are not home improvements.
• You plan to sell within the term. A 15-year schedule builds equity fast enough that a sale in year 7 leaves a balance near $34,000 instead of $50,000.

Cost comparison with real numbers

Both examples borrow $50,000 at a realistic second-lien price and use the amortization formula: M = P × [ i (1 + i)ⁿ ] ÷ [ (1 + i)ⁿ − 1 ].

Home equity loan: P = 50,000, i = 8.25% ÷ 12 = 0.0068750, n = 180. The compounding factor (1 + 0.0068750)¹⁸⁰ = 3.4324198. Numerator: 50,000 × 0.0068750 × 3.4324198 = 1,179.89. Denominator: 3.4324198 − 1 = 2.4324198. M = 1,179.89 ÷ 2.4324198 = $485.07. Total repaid 485.07 × 180 = $87,313, so interest = 87,313 − 50,000 = $37,313.

HELOC: draw phase interest = 50,000 × 0.085 ÷ 12 = $354.17 a month for 120 months, total $42,500 with zero principal reduction. Repayment phase: i = 8.50% ÷ 12 = 0.0070833, n = 240, factor (1 + 0.0070833)²⁴⁰ = 5.4412426. Numerator 50,000 × 0.0070833 × 5.4412426 = 1,927.11, denominator 4.4412426, so M = $433.91. Repayment total 433.91 × 240 = $104,139.

Lifecycle: HELOC 42,500 + 104,139 = $146,639 repaid on a $50,000 borrow, or $96,639 of interest, against the home equity loan's $37,313. The gap is $59,326, and it exists only because the HELOC carries the balance for 30 years while the home equity loan clears it in 15.

Two readings come out of that table. The HELOC is cheaper on cash for the entire first decade, $15,708 less paid by year 10, and simultaneously more expensive on interest, $10,509 more paid by year 10, because nothing is amortizing. The combined debt row shows the long-term direction: by year 10 the home equity loan holder owes $26,218 less on the same house. Add a 2-point rate rise and the HELOC's draw payment goes from $354.17 to $437.50, which erases most of the monthly advantage. Model your own balance and draw schedule in the HELOC calculator and the home equity calculator.

Eligibility and requirements

• Equity position: most lenders want 15% to 20% equity remaining and cap combined loan-to-value at 85%. On a $400,000 home, 85% is $340,000 of total debt; with a $300,000 first mortgage you can borrow $40,000, not $60,000.
• Credit score: 680 is the common floor for both products and 700 or better lands the best pricing. Some lenders will go to 620 on a HELOC, but the margin on the variable rate will be wider.
• Debt-to-income ratio: the lender adds the payment on the new second lien to your existing obligations and usually wants the total at or below 43% to 45%. On $10,000 of gross monthly income that caps total monthly debt near $4,300.
• Appraisal and title: expect a full appraisal, roughly $400 to $700, plus a lender's title policy and recording fees. Some lenders use an automated valuation for smaller lines instead, which cuts the cost and the timeline.
• Income documentation: two years of tax returns or 1099s, recent pay stubs, and bank statements. Self-employed files get a closer look at adjusted gross income rather than gross receipts.
• Closing costs: 2% to 5% of the amount on a home equity loan, $1,000 to $2,500 on $50,000; commonly $0 to $500 on a HELOC, and several lenders waive them to win the business. Ask for the figure on the Loan Estimate before you commit.
• Occupancy and property type: primary residences are easiest. Second homes and investment properties are accepted by some lenders at 80% combined loan-to-value instead of 85%, with a higher rate.
• Existing debt on the property: the first mortgage balance is always included in the combined test, and a recent cash-out refinance can leave you with too little headroom to qualify for either product.

Mistakes people make when choosing

• Treating the HELOC's interest-only payment as the real payment. $354.17 is the draw-period cost, not the amortizing cost. Budget for $433.91 from day one and you avoid the jump when the draw ends at month 120.
• Borrowing against your home to carry depreciating purchases. A 30-year HELOC lifecycle costs $96,639 of interest on $50,000. Financing a vehicle or a vacation with a line secured by your house is the most expensive way to buy either.
• Forgetting the first mortgage in the combined test. The 85% cap applies to the total of every lien. A $300,000 first on a $400,000 home leaves only $40,000 of headroom, which disqualifies a $50,000 request before the credit check starts.
• Choosing the HELOC for a fixed, known cost. The flexibility has a price: $96,639 of interest against $37,313 for the same $50,000 over the full schedules. When the amount is known, the line is paying for an option you will not use.
• Ignoring closing costs in the break-even. A $2,500 cost on a home equity loan against a $130.90 monthly payment advantage takes 19 months to recover against the HELOC's draw payment, and the comparison flips once you count amortization. Run it in the closing cost calculator.
• Assuming the interest is deductible. Interest is deductible only when the funds buy, build, or substantially improve the home securing the loan, and the deduction is capped at acquisition debt limits. Consolidating credit card debt into a HELOC usually makes the interest non-deductible.
• Not checking a refinance first. If your first mortgage rate is also high, one new loan beats two liens. Compare the combined cost in the refinance vs home equity comparison before you sign anything.

Frequently asked questions

Do both loans use my house as collateral? Yes. Both are second position liens, and defaulting puts the property at risk of foreclosure behind your first mortgage lender. Never borrow against your home for an amount you cannot comfortably repay from income.

Which costs more over the full term? The HELOC. On $50,000, a 10-year interest-only draw followed by a 20-year repayment at 8.50% totals $146,639 repaid and $96,639 of interest. A home equity loan at 8.25% over 15 years totals $87,313 repaid and $37,313 of interest.

How much equity do I need? Typically 15% to 20%, with combined loan-to-value capped near 85%. On a $400,000 home that is a $340,000 ceiling across all liens, so a $300,000 first mortgage leaves $40,000 of borrowing capacity.

Which has lower closing costs? The HELOC, usually $0 to $500 and often waived. A home equity loan charges 2% to 5% of the amount, which is $1,000 to $2,500 on $50,000, similar in structure to a first mortgage closing.

What happens when the HELOC draw period ends? The line stops drawing and the balance amortizes over the repayment period, commonly 20 years. On $50,000 at 8.50% the payment moves from $354.17 interest only to $433.91 of principal and interest, an increase of $79.74 before any rate change.

Can the HELOC rate rise during the draw? Yes. Variable pricing moves with the index, and a 2-point increase adds $83.33 a month to the interest-only payment on a $50,000 balance and $65.28 a month once repayment begins. Fixed-rate sub-locks inside the line are the standard hedge.

Is the interest tax deductible? Only when the proceeds buy, build, or substantially improve the home that secures the loan, subject to acquisition debt limits. Interest on proceeds used for debt consolidation or a vehicle is generally not deductible. Confirm treatment with your tax preparer.

Which should I choose if I already have a low first mortgage rate? Keep it. Replacing a 3.5% or 4% first mortgage with a 6.5% cash-out refinance raises the rate on the entire balance, not just the cash you pulled. A second lien leaves the first untouched, which is usually the cheaper structure in that situation.