Can a Conventional Cash-Out Refinance Pay Off a Second Mortgage?

The Quick Read: Yes, a conventional cash-out refinance can pay off a second mortgage, because the new first-lien loan retires the old first mortgage and the second lien at closing, leaving one loan and one lien where there were two. The catch is what that does to your leverage, your payment, and your first-mortgage terms.

• The second lien is paid from the new loan’s proceeds, so the new balance is larger than your old first mortgage.
• Paying off a second that funded anything other than the purchase usually makes the loan a cash-out refinance, even if you take home nothing.
• If your first mortgage has a good fixed term, rolling a small second into a new first can cost more than it saves.
• On a rental, a DSCR cash-out (a loan that qualifies primarily on property-level rental income covering the payment, subject to lender guidelines) is usually the better fit than a conventional loan.

How Does One New Loan Pay Off Two?

The settlement agent sends part of the new loan to your first lender and part to your second lender. Both liens come off the property, and a single new lien takes their place. You make one payment, usually on a fixed schedule, instead of a mortgage payment plus a variable-rate line.

Here is the sequence on a typical file:

1. Find every lien on title. A title search shows them all. A home equity line with a zero balance is still a recorded lien, and it can be drawn again if nobody closes it.

2. Choose payoff or subordination. Paying the second off inside the new loan needs no one’s permission. Leaving it in place means its lender must agree to sit behind the new first mortgage.

3. Freeze the line and order payoff letters. The payoff is higher than your last statement, because it includes interest through closing and any fees. Freezing draws is common practice, so ask your line’s lender how it handles that.

4. Underwrite the larger loan. The new amount is the first payoff, plus the second payoff, plus closing costs, plus any cash you take.

5. Close and confirm the release. The agent pays the first, then the second. Send a written closure request, then confirm the lien release is recorded. Paying a line to zero does not close it.

That fourth step is where deals get tight. Leverage limits apply to the whole new balance, not just the new cash. Every dollar you roll in also raises the payment the property has to carry.

Why Not Just Ask the Second Lender to Stay Put?

You can ask, but the second lender does not have to say yes. The CFPB explains that you may need your home equity line lender’s approval to refinance the first mortgage. That lender can refuse, and if it does, you may have to pay the line off to refinance.

That is why paying off the second inside the new loan is the cleanest route. It works without the junior lender’s consent. Subordination (a written agreement that the second lien moves behind the new first) is still possible. Brokers often see it get harder as the new first-lien balance grows. In a cash-out refinance the balance almost always grows.

Is Paying Off a Second Mortgage Cash-Out or Not?

Usually it is cash-out, and that label drives your pricing and leverage limits. Under conventional agency rules, paying off a second that did not finance the purchase is a cash-out refinance whether or not you receive any money. Fannie Mae’s Selling Guide draws that line in its subordinate financing section.

The practical results look like this:

• A line drawn for renovations, a down payment on another rental, or debt payoff: cash-out, even with $0 in your pocket.
• A second that financed the original purchase (an 80-10-10 piggyback), with no draws since: agency programs may treat the payoff more gently, but you need the settlement statement as proof.
• A line you cannot document: assume cash-out. Lenders do not guess in your favor.

That is the one agency contrast this article needs. Agency rules do not govern DSCR loans. Whether a DSCR program treats a purchase-money second more gently is lender-specific, so do not assume the conventional treatment carries over.

What Does It Cost You Beyond Closing Costs?

The real cost is usually your first mortgage. A cash-out refinance replaces it, so you give up its rate and term along with the balance. If your current first mortgage is something you would keep, refinancing it just to retire a smaller second can cost more than it saves.

Closing costs also apply to the whole new loan, not only to the second you are retiring. Costs on a bigger balance run higher than costs on a smaller line.

The alternatives are real ones:

Lendmire’s piece Is a Conventional Cash-Out Refinance Better Than a Second Mortgage? walks through that tradeoff in more depth. Brokers see the same pattern often: the second is small, the first is cheap, and the better move is keeping both or paying the second down.

Does a Conventional Loan Even Make Sense on a Rental?

It can, but many investors find it a poor fit. Conventional underwriting leans on personal income and debt-to-income ratios. Many bank home equity lines also cannot be held in an LLC, which complicates things if your rental sits in one. Across the wholesale network Lendmire places files with, the more common path for a rental is a DSCR cash-out.

DSCR loans are designed for non-owner-occupied investment properties. Because they are business-purpose investor loans, they are reviewed differently from a standard owner-occupied mortgage. The lender compares the property’s rent to its full monthly obligation (principal, interest, taxes, insurance, and any association dues). Rent that covers the obligation is what the file is reviewed on, along with your credit and equity. Loans titled in an LLC are available subject to lender program eligibility.

Typical ranges across the network look like this:

• Cash-out leverage: around 75% LTV on a standard rental, and around 70% on short-term-rental collateral, with about 6 months of seasoning as the common expectation.
• Coverage: 1.00 is where many select programs start. A separate select-lender path takes coverage below 1.00, with leverage and terms adjusted.
• Credit: a 620 floor exists in parts of the network, most programs want around 660, and 700 or better unlocks the strongest leverage tiers.
• Reserves: commonly around 6 months of PITIA (principal, interest, taxes, insurance, and association dues), though this varies by lender, leverage, loan size, and transaction type.

Every figure is subject to lender guidelines and full file review. It is not a commitment to lend. For the full picture, see Lendmire’s complete DSCR loans guide.

What Does the Payoff Do to Your Coverage Number?

It lowers it. This is the piece most borrowers forget.

Picture a rental whose rent clears the monthly obligation by a healthy margin, say a coverage ratio near 1.3x on the current first mortgage alone. Those are modeled assumptions, not market data. Now add a second-lien payoff and closing costs to the new balance. The payment climbs while the rent stays flat, so the ratio slides toward 1.1x or lower. A heavier payoff can push it below 1.00x.

When that happens, a few paths may help a lender’s review:

• Pay the second down with cash before the refinance.
• Take less cash out, or none.
• Restructure the loan, since interest-only periods and extended terms are available through select lenders in the network.
• Ask about a sub-1.00 program, which is available through select lenders in the network, with leverage and terms adjusted.

Clearing 1.00 is also not the same as positive cash flow. The coverage calculation compares rent to the payment only. Repairs, vacancy, management, utilities, and capital expenses all sit outside it.

A larger down payment or more equity helps, but it never erases a leverage cap, a credit floor, or a reserve rule. The strongest files pass both tests: enough equity and enough rental coverage.

What If the Numbers Don’t Fit?

Start with the equity. If the combined payoff plus costs lands above the cash-out cap, you are over-leveraged for that program. Your choices are to pay down, wait for appreciation or principal reduction, or choose a different tool.

Then check coverage. If the equity works but the ratio does not, shrink the new loan or restructure the term as above. If neither works, the honest answer may be to leave the first mortgage alone and attack the second directly.

Edge cases that change the picture:

• A home equity investment or shared-equity lien can restrict refinancing or need the investor’s consent.
• Early-closure fees on the line can be added to the payoff, so read the line agreement.
• A second lien on your primary home is secured by a different property than your rental, and the lender rules differ. Confirm which property secures each lien before you plan anything.
• A line you intend to keep open needs an explicit subordination agreement. If it is closed at payoff, confirm the release is recorded.

If you are still sorting out how classification works, Lendmire covers it separately in its piece Does Paying Off a Second Mortgage Count as a Cash-Out Refinance?.

Key Terms Defined

Cash-out refinance: a new loan that pays off your existing mortgage and gives you additional money, or covers other debts.

Second mortgage: a loan secured by the same property that sits behind the first mortgage, such as a home equity line or a home equity loan.

Subordination: a written agreement in which a lender lets its lien sit behind a new first mortgage.

Purchase-money second: a second loan that helped finance the original purchase of the property, rather than money borrowed later.

DSCR (debt service coverage ratio): monthly rent divided by the full monthly property payment, used to judge whether the rent covers the loan.

Seasoning: how long you must have owned the property, or held a loan, before a lender will refinance it.

Tax treatment varies; consult a qualified professional before relying on any deduction.

If you are weighing a cash-out refinance against leaving your second mortgage in place and want to see how the numbers work, Lendmire, a mortgage broker arranging DSCR investor loans across 41 markets, including Washington, D.C., can help you compare refinance structures based on the property, the equity available, your credit profile, combined leverage, and your goals. You can reach the team at 828-256-2183.

About Lendmire

Lendmire is a mortgage brokerage (NMLS# 2371349) arranging DSCR investor loans, including cash-out refinances on rental properties, through a wholesale lending network spanning 41 markets, including Washington, D.C. Eligibility is determined by the lender on each file. Scotsman Guide named Lendmire a Top Mortgage Workplace in both 2025 and 2026.

A deeper walk-through of investment-property equity extraction lives in Lendmire’s guide to cash-out refinance on an investment property.

References

1. CFPB – Does a HELOC affect my ability to refinance my first mortgage loan?

2. Fannie Mae Selling Guide, B2-1.2-04 Subordinate Financing