HELOC vs. Cash-Out Refinance for a Rental Property

A rental-property HELOC usually leaves the existing first mortgage in place and adds a reusable, usually variable-rate second lien. A cash-out refinance replaces the entire first mortgage with a larger loan and provides a lump sum at closing. A HELOC often fits staged or uncertain spending and can preserve a favorable first mortgage. A cash-out refinance can fit a large, known need when the new first-mortgage rate, term, payment, and costs work as a whole.

Neither is automatically cheaper. Compare the cost of the incremental cash under a HELOC with the cost of repricing the full first-mortgage balance under a refinance.

HELOC and cash-out refinance at a glance

The CFPB explains that a HELOC works as a reusable line and usually has an adjustable rate. A refinance is a new mortgage transaction, so current eligibility, value, title, costs, rate, and term apply to the full new loan.

Worked example: the same $80,000 of property-level capacity

Assume a rental has:

• current value: $400,000
• existing first-mortgage balance: $220,000
• illustrative maximum CLTV or LTV: 75%
• gross equity: $180,000

The illustrative maximum debt at 75% is:

$400,000 x 75% = $300,000

Property-level capacity before qualification, fees, and product limits is:

$300,000 - $220,000 = $80,000

The lender's actual limit may be higher or lower than this assumed 75%, and approval can be constrained by more than equity. The purpose of the example is to compare structures, not quote a current program.

HELOC structure

The first mortgage remains at $220,000 and an $80,000 line is added. If the investor initially draws $25,000, debt secured by the property becomes:

$220,000 + $25,000 = $245,000

Initial CLTV is:

$245,000 / $400,000 = 61.25%

Interest under the HELOC applies to the $25,000 drawn balance, subject to the agreement. The unused $55,000 is potential availability, not cash and not guaranteed future funding. The CFPB's HELOC overview notes that lenders may restrict additional draws after a significant decline in value or a change in the borrower's financial circumstances.

Cash-out refinance structure

A $300,000 new first mortgage pays off the $220,000 old mortgage and leaves $80,000 of gross cash-out proceeds before transaction costs and other payoffs:

$300,000 - $220,000 = $80,000

Interest accrues on the full $300,000 new mortgage. The comparison therefore depends heavily on the old and new first-mortgage rates, remaining term, new amortization term, and costs. The refinance may produce one scheduled payment, but it changes the financing on the existing $220,000 as well as the new $80,000.

Compare the incremental cost correctly

A common mistake is comparing only the HELOC rate with the refinance rate. The balances are different.

For a HELOC, estimate:

Annualized Initial Interest ≈ Expected Average Drawn Balance x HELOC Rate

For a cash-out refinance, compare the proposed new loan with the existing mortgage over the period you expect to keep it. Include:

• interest on the full new balance;
• remaining interest and principal schedule on the old mortgage;
• closing costs and points;
• the effect of extending or shortening the payoff date;
• mortgage insurance or escrow changes, if applicable; and
• the value of payment certainty or draw flexibility.

Do not use the lower monthly payment as proof of a cheaper loan. A new 30-year term can reduce the payment by spreading principal over more years while increasing the time debt remains outstanding.

When a HELOC may be the better fit

A HELOC deserves consideration when:

• the first mortgage has a rate or remaining term worth preserving;
• funds will be used in stages;
• the final amount is uncertain;
• the borrower expects to repay and possibly redraw during the draw period;
• paying interest only on the amount used matters; and
• the property and household can handle variable-rate and repayment-period stress.

The value of flexibility depends on discipline. A reusable line can make repeated spending easy, and minimum payments during the draw period may not reduce principal meaningfully. Build a payoff schedule from the planned use rather than relying on the contractual minimum.

When a cash-out refinance may be the better fit

A cash-out refinance deserves consideration when:

• the amount is large and known;
• a single amortizing loan is easier to manage;
• the new first-mortgage terms are acceptable on the entire balance;
• the existing loan has no special rate advantage to preserve;
• a second-lien HELOC is unavailable or too limited; and
• the expected holding period is long enough to justify transaction costs.

Fannie Mae's current cash-out refinance guidance shows that eligibility can include title history, transaction type, LTV, and other requirements. An investor should obtain a property-specific quote rather than applying a primary-residence refinance rule to a rental.

Qualification differences to verify

Ask both lenders to underwrite the same property value, income, debts, ownership, and requested cash so the quotes are comparable.

For a HELOC, confirm:

• non-owner-occupied eligibility and eligible states;
• allowed lien position and maximum CLTV;
• line minimum, maximum, and required initial draw;
• variable-rate index, margin, floor, and cap;
• draw, repayment, and possible fixed-conversion terms; and
• appraisal, annual, inactivity, and early-closure fees.

For a cash-out refinance, confirm:

• maximum LTV and net cash proceeds;
• rate, points, term, and lock period;
• seasoning and title requirements;
• closing costs, prepaids, and escrows;
• prepayment terms; and
• whether the payment shown includes taxes and insurance.

If the rental is held in an LLC, ask early whether either program accepts the current ownership and what any required transfer would mean for the mortgage, insurance, legal liability, and taxes.

Cash-flow stress test

For a HELOC, model at least three cases:

1. the expected average balance at the quoted rate;
2. the full intended balance at a higher rate; and
3. the repayment-period payment after draws stop.

For a cash-out refinance, model:

1. the new principal-and-interest payment;
2. total property cash flow after the new payment;
3. the effect of closing costs on net proceeds; and
4. the remaining balance at the expected sale or refinance date.

Enter the new debt payment in the Rental Cash Flow Calculator. Then use the Rental Property Wealth Simulator to compare debt paydown and equity over time. The broader guide to accessing equity across a rental portfolio adds home equity loans, portfolio facilities, and sales to the decision.

Tax treatment is based on use of proceeds

Do not choose a loan because someone says the interest is automatically deductible. The 2025 IRS Schedule E instructions state that interest is generally allocated in the same way as the loan proceeds and that records should trace disbursements to their uses.

That means the collateral alone does not settle the federal tax treatment. Keep proceeds separate, document each use, and consult a qualified tax professional about rental improvements, repairs, acquisitions, personal spending, refinanced acquisition debt, and state rules.

Final answer

Choose a rental-property HELOC when flexible draws and preservation of the existing first mortgage are worth the variable-rate and access risk. Choose a cash-out refinance when a known lump sum and one replacement mortgage justify repricing the full balance and paying closing costs.

Calculate both with the same value and borrowing target. Compare total debt, net proceeds, monthly cash flow, payoff timing, rate stress, and exit costs—not just the headline rate. If the first step is still finding an eligible line, read Can you get a HELOC on a rental property?. If the unknown is capacity, calculate how much rental-property equity may be borrowable before requesting quotes.