If you've owned your home for a while, you may be sitting on a substantial amount of money you can't spend. Home equity is real wealth, and it's also completely illiquid until you do something to unlock it.
There are three standard ways to do that, and they're frequently discussed as interchangeable. They aren't. They differ in how you receive the money, how the interest works, what happens to your existing mortgage, and — most consequentially — how much the same borrowed amount ends up costing.
This guide compares all three on identical numbers: a $500,000 home with a $300,000 mortgage balance, borrowing $75,000.
A note before you start: this is general education, not personalized financial advice. The rates used for the HELOC (8.5%) and home equity loan (8.25%) are illustrative examples, not market averages or quotes — second-lien pricing varies widely by lender, credit profile, and moment. The 6.65% first-mortgage figure is the Freddie Mac PMMS 30-year average for the week of August 20, 2026. All three options are secured by your home.
1. How much equity can you actually borrow?
Start with the constraint everyone gets wrong.
Your equity is your home's value minus what you owe: $500,000 − $300,000 = $200,000.
Your accessible equity is much less, because lenders require you to keep a cushion. The limit is expressed as combined loan-to-value (CLTV) — every loan secured by the property, added together, divided by the home's value. A common ceiling is 85%.
Working it out:
- Maximum total debt: $500,000 × 85% = $425,000
- Minus your existing mortgage: $425,000 − $300,000 = $125,000
So $125,000 is available — 62.5% of your $200,000 of equity. The rest stays locked up by design; it's the lender's protection against a price decline.
Borrowing $75,000 of that $125,000 brings your CLTV to 75% ($375,000 ÷ $500,000), comfortably inside the limit.
Two things that shift this number: your lender's specific CLTV cap (some allow 80%, a few go to 90% for strong borrowers) and your home's appraised value, which the lender determines — not your estimate, and not what a website says. A lower-than-expected appraisal directly reduces what you can borrow.
Calculate how much equity you can actually access2. HELOC: a credit line with two phases
A home equity line of credit works more like a credit card than a mortgage. You're approved for a limit, and you draw against it as needed — take $10,000 now, $30,000 next year, nothing the year after. You pay interest only on what you've actually drawn.
It runs in two phases:
The draw period (commonly 10 years). You can borrow and repay freely. Minimum payments are typically interest-only.
The repayment period (commonly 20 years). Borrowing stops. The balance amortizes — principal and interest — until paid off.
Here's what that looks like on $75,000 at 8.5%:
| Phase | Monthly payment |
|---|---|
| Draw period (10 years, interest-only) | $531.25 |
| Repayment period (20 years) | $650.87 |
That draw payment is exactly 8.5% ÷ 12 × $75,000. It covers the interest and nothing else — after ten years of paying $531.25 every month, you still owe the entire $75,000.
The transition is known as payment shock, and while a $119.62 increase looks modest here, the real shock is structural: a decade of payments bought no progress. Total interest across both phases comes to $144,958.31 — nearly twice what you borrowed.
Two more features worth knowing:
- HELOC rates are almost always variable, tied to the prime rate. The $531.25 above assumes 8.5% holds; if prime rises, your payment rises with no cap comparable to an ARM's.
- Lenders can freeze or reduce your line, and have done so at scale during past downturns. A HELOC held "just in case" may not be there in the case you were saving it for.
Where a HELOC genuinely fits: costs that arrive in unpredictable installments over time — a phased renovation, tuition by semester, or a business with lumpy cash needs. If you'd draw the full amount on day one and never draw again, you're using a flexible product to do an inflexible job, and paying for flexibility you didn't need.
3. Home equity loan: a fixed second mortgage
A home equity loan is the straightforward version: a lump sum, a fixed rate, a fixed monthly payment, a fixed term. Structurally it's a second mortgage sitting behind your first.
The same $75,000 at 8.25% over 15 years:
| Amount | |
|---|---|
| Monthly payment | $727.61 |
| Total interest | $55,969.05 |
| Total repaid | $130,969.05 |
Set against the HELOC, the contrast is stark:
| HELOC (10 draw + 20 repay) | Home equity loan (15 yr) | |
|---|---|---|
| Starting payment | $531.25 | $727.61 |
| Total interest | $144,958.31 | $55,969.05 |
The home equity loan costs $196.36 more per month and roughly $89,000 less in interest.
That gap isn't because one product is predatory and the other isn't. It's almost entirely the interest-only draw period and the longer total term. Thirty years of carrying a balance — ten of them making zero progress — costs far more than fifteen years of steady amortization, even at a similar rate.
Which is the real lesson here: the structure matters more than the rate. Comparing a HELOC and a home equity loan on quoted rate alone will mislead you badly.
Where a home equity loan fits: a known, one-time expense — a single major renovation, a debt consolidation, a defined medical cost. You know the amount, you want a fixed payment, and you want a date the debt ends.
4. Cash-out refinance: replacing the whole loan
The third option is different in kind. Rather than adding a second loan, a cash-out refinance replaces your existing mortgage with a larger new one, and you take the difference in cash.
In our example: refinance the $300,000 balance into a $375,000 loan, and receive $75,000.
The decisive question is what happens to the rate on the $300,000 you already owe.
- If current rates are at or below your existing rate, this can be excellent — you access cash and improve or maintain the terms on your whole balance, with one payment instead of two.
- If current rates are meaningfully above your existing rate, it's usually a poor trade. You're repricing $300,000 of debt upward to access $75,000. A borrower holding a 3.5% mortgage who refinances the entire balance at today's rates to extract equity will typically pay far more in additional interest on the old balance than a second lien would have cost on the new money.
That last scenario is common right now, and it's the main reason second-lien products (HELOCs and home equity loans) have been popular: they leave a low-rate first mortgage untouched.
Other considerations: a cash-out refinance carries full mortgage closing costs (commonly 2%–5% of the new loan, so roughly $7,500–$18,750 here — considerably more than typical second-lien costs), it restarts your amortization unless you deliberately shorten the term, and lenders usually cap cash-out at 80% CLTV rather than 85%, meaning less accessible equity.
Our refinance guide covers the break-even math in detail; the same logic applies here, with the cash-out amount layered on top.
5. Comparing all three
| HELOC | Home equity loan | Cash-out refinance | |
|---|---|---|---|
| Structure | Revolving line | Lump sum, 2nd lien | Replaces 1st mortgage |
| Rate | Usually variable | Usually fixed | Usually fixed |
| Payment | Interest-only, then amortizing | Fixed throughout | Fixed throughout |
| Affects existing mortgage? | No | No | Yes — replaces it |
| Typical CLTV cap | ~85% | ~85% | ~80% |
| Closing costs | Low | Low to moderate | Full mortgage costs |
| Best for | Costs spread over time | A known one-time amount | When rates favor you anyway |
| Main risk | Payment shock, variable rate, line freeze | Higher payment | Repricing your whole balance |
A reasonable decision path:
- Are today's rates at or below your current mortgage rate? If clearly yes, price the cash-out refinance first. If clearly no, focus on the two second-lien options.
- Do you know the exact amount you need? If yes, a home equity loan. If it'll arrive in unpredictable stages, a HELOC.
- If a HELOC, can you afford the repayment-period payment now? If not, you're planning on a payment you can't make.
6. Costs beyond the interest rate
Mortgage recording tax. Nine states charge a tax when a new mortgage lien is recorded — distinct from a transfer tax, which applies to a sale. It's charged on a HELOC, a home equity loan, or a refinance, because each records a new lien.
New York's is the most substantial and most complicated. The base statewide component alone is 0.50%, which on a $75,000 second mortgage is $375 — and that's just the floor. A statewide additional tax applies nearly everywhere, an extra special tax applies within the Metropolitan Commuter Transportation District, and New York City layers its own tax on top, pushing the combined figure to roughly 1.8%–2.925% depending on loan size and property type.
The other states charging one are Alabama, Florida, Georgia, Maryland, Minnesota, Oklahoma, Tennessee, and Virginia. Our HELOC calculator applies your state's rate automatically, and tells you plainly when your state charges none.
Other costs to ask about: appraisal fees, annual HELOC maintenance fees, early closure fees (some HELOCs claw back waived closing costs if you close the line within two or three years), and title or attorney fees depending on your state's closing customs.
Interest deductibility. Interest on home equity borrowing is deductible only when the funds are used to buy, build, or substantially improve the home securing the loan — and only for taxpayers who itemize, within overall mortgage-interest limits. Using a HELOC to consolidate credit card debt or pay tuition generally does not qualify. Confirm with a tax professional.
7. What lenders look at when you apply
Home equity borrowing has its own underwriting, and it's stricter than many borrowers expect — partly because a second-lien lender sits behind your first mortgage in a foreclosure and recovers only what's left.
Combined loan-to-value. Covered in section 1, and the binding constraint for most applicants. Note that the lender's appraisal governs, not your estimate. If the appraisal comes in below expectations, your available amount shrinks immediately.
Credit score. Requirements are generally higher than for a first mortgage. Many second-lien lenders look for 680 or above, with the best pricing reserved for 700-plus. FHA-style low-score flexibility does not exist here.
Debt-to-income ratio. Lenders calculate your total monthly obligations — including your existing mortgage payment and the proposed new one — against gross monthly income. Many cap this around 43%. Our affordability guide explains the ratio in detail; the same arithmetic applies, with the second payment stacked on top.
Income documentation and employment. Full verification: pay stubs, W-2s or tax returns, and often direct employment confirmation.
Payment history on the first mortgage. Recent late payments on the loan sitting ahead of theirs are a serious problem for a second-lien lender.
Two structural points that catch people out:
- A HELOC's approved limit isn't guaranteed available forever. Lenders retain the right to freeze or reduce lines when property values fall or your credit changes.
- Seasoning requirements are common. Many lenders want you to have owned the home for a minimum period — often six to twelve months — before extending a second lien.
On timing: home equity products typically close faster than a purchase mortgage, often in two to six weeks. Some lenders now offer automated valuations instead of full appraisals for lower CLTV requests, which shortens it further.
8. The risk that matters most
All three options are secured by your house. That sentence does a lot of work, and it's worth stating plainly rather than burying in a disclaimer.
Credit card debt is unsecured. If you can't pay it, the consequences are serious — collections, damaged credit, potentially a lawsuit — but your lender cannot take your home. Home equity debt can result in foreclosure.
This makes the most commonly recommended use of home equity — consolidating high-interest credit card debt — genuinely double-edged. The interest rate improvement is real and often large. But you have converted a debt that threatens your credit into a debt that threatens your housing, and if the underlying spending pattern that created the card balances hasn't changed, you may end up with both the home equity loan and new card balances.
Worth thinking through honestly before borrowing:
- What if your income drops? The payment is now attached to your home.
- What if your home's value falls? Borrowing to 85% CLTV leaves little cushion; a 15% decline puts you underwater.
- Is this an investment or consumption? Borrowing at 8.25% for a renovation that adds value is a different decision than borrowing at 8.25% for a vacation.
- For a HELOC specifically: can you pay the repayment-period amount today? If not, you're relying on future income that may not arrive.
None of this means don't borrow against your home. It means the low rate relative to unsecured credit exists because the lender has your house as collateral — that's what you're trading for it.
9. Uses that usually justify it — and ones that don't
Since all three put your house at risk, it's worth being specific about what the borrowing is for.
Generally defensible:
- Home improvements that add value or extend the home's life — a roof, HVAC, electrical, a kitchen. You're investing in the collateral itself, and interest may be deductible when funds are used to substantially improve the securing home.
- Consolidating high-interest debt, once. Moving 22% card debt to 8.25% is a genuine improvement — provided the spending pattern that created it has actually changed. If it hasn't, you'll end up with both.
- A genuine emergency where the alternative is far more expensive credit.
- Education, weighed carefully against federal student loans, which carry protections home equity debt does not.
Usually not:
- Depreciating purchases — cars, boats, holidays. You're securing a 20-year debt against something that loses value immediately.
- Investing the proceeds. Borrowing against your home to invest is leverage. It can work; it can also leave you owing money on an asset that fell.
- Covering an ongoing shortfall. If income doesn't cover expenses, borrowing postpones the problem while adding a payment and putting the house at risk.
- Starting a business, unless you could genuinely absorb its failure without losing the home.
A test worth applying: if this expense arrived and you had no home equity, what would you do? If the answer is "not spend it," that's informative. Equity availability shouldn't turn an optional purchase into a leveraged one.
One structural point. Consolidating a five-year car loan into a 20-year home equity loan lowers the monthly payment and frequently raises the total interest paid, because you've stretched a short debt across a long term. Lower payment is not the same as cheaper — check the total, not the monthly.
Frequently asked questions
How much equity can I borrow? Typically up to 85% combined loan-to-value across all loans on the property. On a $500,000 home with a $300,000 mortgage, that's $125,000 — not the full $200,000 of equity.
What's the difference between a HELOC and a home equity loan? A HELOC is a revolving line you draw from over time, usually variable-rate, usually interest-only during the draw period. A home equity loan is a fixed lump sum with a fixed rate and payment. The HELOC is more flexible; the home equity loan is far more predictable and often much cheaper overall.
Why does the HELOC cost so much more in total interest? Because of the interest-only draw period and the longer overall term. Ten years of interest-only payments retire no principal, so in our example the same $75,000 costs $144,958 in interest over 30 years versus $55,969 over a 15-year home equity loan.
Is a cash-out refinance better than a HELOC? It depends almost entirely on rates. If today's rates are at or below your current mortgage rate, a cash-out refinance is often better. If they're higher, you'd be repricing your entire balance to access a fraction of it, and a second lien usually wins.
Can my lender cancel my HELOC? Lenders can freeze or reduce lines, typically when property values decline or your credit deteriorates. It has happened at scale in past downturns, which is why a HELOC held purely as emergency backup is less reliable than it appears.
Is home equity interest tax-deductible? Only if the funds are used to buy, build, or substantially improve the home securing the loan, and only if you itemize, subject to overall limits. Consolidating other debt generally doesn't qualify. Ask a tax professional.
Will I owe a tax just for taking out a HELOC? In nine states, yes — a mortgage recording tax applies when a new lien is recorded. New York's base state component alone is 0.50% ($375 on $75,000), with local layers on top.
Can I lose my house over a home equity loan? Yes. All three options are secured by your home and can lead to foreclosure if you default. That's precisely why the rates are lower than unsecured borrowing.
What to do next
Our HELOC and home equity calculator takes your home's value, your current mortgage balance, and the amount you want, then returns your maximum available equity, your resulting CLTV, and the payment structure for either a line of credit or a fixed home equity loan — including your state's mortgage recording tax where one applies.
From there:
- Is refinancing worth it? — the break-even math behind the cash-out option.
- Payment calculator — see how a second payment fits alongside your existing mortgage.
- Your monthly mortgage payment, explained — how the first mortgage you're borrowing behind is structured.
- What is PMI and how do you remove it? — because equity milestones matter for that too.
See our methodology page for how every figure on this site is sourced.
This article is general education about borrowing against home equity, not financial, legal, or tax advice. Dollar figures were computed with CalculatorByState's own calculation engine. The 8.5% HELOC and 8.25% home equity loan rates are illustrative examples, not market averages or quotes; the 6.65% first-mortgage figure is the Freddie Mac PMMS 30-year rate for the week of August 20, 2026. All three products are secured by your home and can result in foreclosure if you default. Confirm terms, fees, and tax treatment with your lender and a tax professional.