You’ve built equity in a property and want to put it to work. Two tools do that: a HELOC and a cash-out refinance. They reach the same goal by opposite routes, and picking the wrong one can cost you a low-rate first mortgage you’d rather keep.
Here’s the difference, with the numbers that actually decide it.
The Core Difference
A cash-out refinance replaces your existing mortgage with a new, larger one. You pay off the old loan and pocket the difference. One loan, one payment — but it’s an entirely new mortgage at today’s rate.
A HELOC — home equity line of credit — leaves your first mortgage untouched. It’s a second loan layered on top, a revolving line you draw from as needed. Your original mortgage keeps its rate and terms.
That single distinction drives everything: what happens to your existing rate, how you access the money, and what it costs.
The Same Property, Both Ways
A property worth $500,000 with $250,000 owed — so $250,000 in equity.
Cash-out refinance
At 75% LTV, the new loan is $375,000. Pay off the $250,000 you owe, and $125,000 comes to you in cash.
But watch what happens to the payment. Your existing loan at 5% cost $1,342 a month. The new $375,000 loan at 7% costs $2,494.88. You’ve raised your monthly payment by $1,153 — and re-mortgaged your entire balance at a higher rate to access $125,000.
HELOC
At 85% CLTV, your total debt can reach $425,000. Subtract the $250,000 first mortgage, and you have a $175,000 line available.
Your first mortgage at 5% stays exactly as it is. You draw only what you need, and pay interest only on what you draw. Borrow nothing, pay nothing.
The Rate Environment Decides a Lot
This is the factor investors most often overlook, and it’s frequently the deciding one.
If your existing mortgage rate is low — below current rates — a cash-out refinance means giving up that rate on your entire balance to access equity. In the example above, you’d re-rate $250,000 of existing debt from 5% to 7% just to get at the new money. That’s an expensive way to borrow $125,000.
A HELOC preserves the low first mortgage and only charges you on the new borrowing. When you have a rate worth protecting, that protection is often worth more than the HELOC’s higher rate on the drawn portion.
If your existing rate is high — at or above current rates — the calculus flips. A cash-out refinance can lower your rate and give you cash in one move. Now you’re not sacrificing anything, and consolidating into one lower-rate loan makes sense.
Side by Side
| Cash-Out Refinance | HELOC | |
|---|---|---|
| Structure | Replaces first mortgage | Second loan on top |
| Existing rate | Lost — new rate on full balance | Preserved |
| Access | Lump sum at closing | Draw as needed, revolving |
| Interest charged on | Full new balance | Only what you draw |
| Rate type | Usually fixed | Often variable |
| Closing costs | Higher (full refinance) | Lower |
| Best when | Your current rate is high | Your current rate is low |
When to Choose a Cash-Out Refinance
- Your current rate is at or above market. You lose nothing and may lower it.
- You need the full amount now. A lump sum for a specific purchase — another down payment, a large project.
- You want a fixed payment. One predictable payment rather than a variable line.
- You’re consolidating. Rolling other debt into one mortgage at a better rate.
See investor refinance options for how cash-out works on investment property specifically.
When to Choose a HELOC
- Your current rate is low. The single strongest reason. Don’t re-rate your whole balance to touch equity.
- You want flexibility. Draw for a project, repay, draw again. Ideal for the BRRRR strategy or serial flips where you recycle capital.
- You only need money sometimes. A standby line for opportunities, costing nothing until used.
- You want lower upfront costs. HELOCs generally cost less to set up than a full refinance.
See investor HELOC options for terms on investment property.
The Investor Angle
For investors, a HELOC’s revolving nature is often the deciding advantage. You can draw to fund a down payment or rehab, complete the deal, refinance or sell, repay the line, and have it ready for the next opportunity. That recyclability suits an active investor far better than a one-time lump sum.
A cash-out refinance suits the investor making a single, defined move — buying a specific property, funding a specific project — especially when it also improves the rate on an existing high-rate loan.
A Caution on Both
Either tool converts equity into debt secured by your property. The equity felt like a cushion; now it’s a payment. Before pulling it, be certain the use produces more than it costs — the next section’s companion article, using home equity to buy an investment property, walks through exactly how to check that the numbers work, because they don’t always.
Run Your Numbers
Compare the payment impact both ways. For a HELOC, our HELOC calculator shows your available line based on your property’s value and current balance. For a refinance, the investor refinance calculator shows your new payment and cash out.
When you know which fits, apply now. Pre-qualification takes minutes with no hard credit pull.
All figures are illustrative and vary by lender, property, and rate environment. CLTV limits, rates, and closing costs differ between lenders and products. Borrowing against equity increases debt secured by your property. Nothing here is a commitment to lend or financial, tax, or legal advice.
