Cash-Out Refinance vs HELOC
Need $50K for a home reno - reset your whole mortgage or open a second-lien HELOC?
TLDR
Cash-out refinance: take a new bigger mortgage that pays off your old one AND gives you $50K cash. Resets your entire balance at today's rate. HELOC: open a second loan secured by home equity, draw $50K against it, only pay interest on what you draw. Variable rate but lower fees and doesn't touch your first mortgage. With most people sitting on 3-4% mortgages from 2020-2022 and refi rates at 7%, HELOC at 8-9% is the right answer 90% of the time today.
Side-by-side comparison
| Criterion | Cash-Out Refinance | HELOC | Winner |
|---|---|---|---|
| Loan structure | Replace first mortgage with bigger one | Second-lien credit line on top of first mortgage | varies |
| Best when current mortgage rate is | Higher than today's refi rate | Lower than today's refi rate | varies |
| Interest rate | Fixed (or ARM), typically 6.5-7.5% in 2026 | Variable, prime + 0-2%, typically 8-9.5% in 2026 | Cash-Out Refinance |
| Closing costs | $3,000-$6,000 (1-2% of loan amount) | $0-$1,000 (often waived) | HELOC |
| Loan amount available | Up to 80% of home value minus existing mortgage | Up to 80-85% combined LTV | HELOC |
| Repayment | 30-year amortization, principal + interest | 10-year draw + 10-year repayment, often interest-only initially | varies |
| Tax deductibility | Interest on $750K mortgage cap, must be for home | Interest deductible if used for home improvement | Tie |
| Speed to close | 30-45 days typical | 15-30 days, sometimes 7-10 days | HELOC |
| Best for $50K home improvement | Bad - resets whole mortgage | Excellent - draws exactly $50K needed | HELOC |
| Best for $200K cash needed | Yes - simpler than HELOC + first mortgage | Multiple draws over time | Cash-Out Refinance |
| Affect on credit score | Hard inquiry + mortgage refresh | Hard inquiry + new credit account | Tie |
| Rate-lock protection | Fixed for life of loan | Floats with prime rate (can rise) | Cash-Out Refinance |
Run your own numbers
Plug in your numbers - the calculator updates instantly. Same math, your inputs.
Estimates only. Returns are not guaranteed. Tax rules and rates current as of 2026-05-16.
When each one wins
When Cash-Out Refinance wins
- Your existing mortgage rate is HIGHER than current refi rates (unusual in 2026)
- You also want to consolidate high-interest debt (credit cards, personal loans) into mortgage
- You want a fixed rate for the next 30 years (HELOC is variable)
- You're cashing out a large amount ($100K+) and want one consolidated payment
- You want to extend your amortization term to reduce monthly payment
When HELOC wins
- Your existing mortgage is at 3-5% from 2020-2022 era (LEAVE IT ALONE)
- You only need $25-$150K for a defined project (kitchen, bath, addition)
- You want to draw funds as needed over time (HELOC is a line, not a lump sum)
- You can pay it back within 5-10 years (interest-only periods help)
- You want minimal closing costs and faster funding
The math (typical scenario)
$50,000 needed for home improvement. Existing mortgage: $300K at 4.0% / 25 yrs remaining. Cash-out refi: $350K at 7.0% / 30 yrs OR HELOC: $50K at 8.5% / 10-year payoff:
CASH-OUT REFINANCE ($350K at 7.0% / 30 yrs)
New monthly P&I: $2,329
Old monthly P&I (just $300K at 4.0%): $1,584
Net increase in monthly cost: $745
Closing costs: ~$5,000 (1.5% of new loan)
10-year total extra cost: $745 x 120 + $5,000 = $94,400
And you've also extended payoff from 25 years to 30 years (5 extra years of payments)
Lifetime extra interest on the existing $300K balance:
Old rate path: $145K interest over remaining 25 years
New rate path: $537K interest over new 30 years (on $350K)
Extra interest from the rate reset alone: ~$300K
Total extra cost over 30 years: $300K+
Net: brutal in a rising-rate environment.
HELOC ($50K at 8.5% / 10-year payoff)
Monthly payment: $620 for 10 years
Total paid: $74,400
Total interest: $24,400
Closing costs: ~$500
Total all-in: $74,900
Old mortgage continues at 4.0% (zero impact)
Lifetime extra cost: just the $24,400 in HELOC interest
DIFFERENCE: HELOC saves $24,500-$95,000+ depending on horizon and how much
of the original 30-year fix you'd be giving up.
In a low-rate-legacy environment (which most homeowners with 3-4% mortgages
are in), HELOC is almost always the right answer for moderate cash needs.
Why HELOC is the obvious answer in late 2025-2026
The legacy mortgage trap
Most current homeowners locked in mortgages between 2020-2022 at 2.5-4.5%. Refi rates in 2026 are 6.5-7.5%. Doing a cash-out refi to access $50K means you're paying THREE percentage points more on your ENTIRE existing balance ($300K-$500K) for the next 30 years - to get $50K cash. The lifetime extra interest is $200K-$400K. HELOC at 8-9% on JUST the $50K costs you $20-$30K. The math isn't close.
The HELOC variable-rate risk
HELOC rates float with prime, which moves with Fed funds rate. In 2022-2023, HELOCs went from 4% to 9% as Fed hiked rapidly. If you're worried about rate increases, you can sometimes convert HELOC balance to a fixed-rate term loan (some lenders offer 'lock' features). But the cost of rate variation rarely exceeds the cost of refinancing out of a legacy low-rate first mortgage.
Home equity loan: HELOC's fixed-rate sibling
If you want HELOC's structure (second lien, low closing costs) but with fixed rates, look at a home equity LOAN (HEL). Lump sum, fixed rate, amortizes over 5-15 years. Slightly higher rates than HELOC but no rate-variation risk. Best of both worlds for a one-time defined cash need.
Tax deductibility nuance
Post-TCJA 2018, mortgage interest on cash-out refinance is deductible only if the cash was used to 'buy, build, or substantially improve' the home. Same rule applies to HELOC. So if you use either for home improvement, the interest is generally deductible (subject to $750K combined mortgage cap). If you use HELOC for non-home purposes (consolidation, vacation, business), the interest is NOT deductible. Most homeowners take the standard deduction anyway ($30K for MFJ in 2026), so this rarely affects the decision.
Frequently asked questions
Will a cash-out refi or HELOC affect my credit score?
Both create a hard inquiry (-5 to -10 points temporarily). Both add or modify credit accounts. Most borrowers see a 10-20 point dip that recovers within 6-12 months.
Is a HELOC always variable rate?
Most HELOCs are variable (prime-linked). Some lenders offer 'fixed-rate HELOC lock' options where you can convert a portion of the balance to a fixed payment for a set term. Home equity LOANS (HEL) are always fixed.
Can I deduct HELOC interest on my taxes?
Only if the HELOC was used for home improvement (buy, build, or substantially improve). If used for personal expenses (vacation, debt consolidation), the interest is NOT deductible. Cap of $750K combined mortgage + home equity for new loans.
How much can I borrow with a HELOC?
Typically up to 85% of your home's value MINUS your first mortgage balance. $500K home with $300K mortgage = $125K HELOC headroom (85% × $500K - $300K).
What's the difference between a HELOC and a home equity loan?
HELOC = credit line, variable rate, draw as needed, interest-only payments during draw. Home equity loan = lump sum, fixed rate, amortizing payments. Both are second-lien products.
Should I refinance my first mortgage right now?
Only if (a) the new rate is at least 1% lower than your current, AND (b) you'll keep the home long enough to recoup closing costs (rule of thumb: 3+ years). Most people with 3-4% mortgages from 2020-2022 should NOT refinance into 7% rates.
Can I get a HELOC if I'm self-employed?
Yes - lenders require tax returns (usually 2 years), bank statements showing income, and DTI documentation. Documentation is heavier than for W-2 employees but approval is possible.
What happens to a HELOC if I sell my house?
The HELOC must be paid off at closing (it's secured by the property). Proceeds from sale go: first to first mortgage, then to HELOC, then to you.
Are there alternatives to cash-out refi and HELOC?
Personal loans (unsecured, 8-15% rates, no home risk), 401(k) loans (5-7%, 5-year repayment, no credit hit), 0% credit card balance transfers (12-21 months, for smaller amounts), or just saving up and paying cash.
Can a HELOC be frozen by the lender?
Yes - lenders can freeze a HELOC if your home value drops significantly or your credit profile deteriorates. They can also 'mass-freeze' during financial crises (2008, 2020). If you draw funds early, you protect against this risk.