Wraparound Mortgages Explained: How All-Inclusive Trust Deeds Work

A wraparound mortgage lets a seller finance a buyer's purchase while an existing underlying loan stays in place — "wrapped" inside a new, larger note the buyer pays directly to the seller. Wraparound mortgages, sometimes called all-inclusive trust deeds (AITDs), have quietly become one of the more useful creative financing tools for investors working with free-and-clear or low-balance mortgaged sellers in a higher-rate environment. This guide explains how a wraparound actually works, who it benefits, and the specific risks every party needs to understand before signing one.

How a Wraparound Mortgage Works

In a standard sale, the buyer's financing pays off the seller's existing mortgage at closing, and the seller walks away with proceeds. In a wraparound, the seller's existing mortgage stays in place and unpaid at closing. Instead, the buyer signs a new promissory note with the seller for the full purchase price (minus any down payment), at an interest rate the two parties negotiate. The buyer makes a single monthly payment to the seller, and the seller is responsible for continuing to make the payment on their original underlying mortgage out of the funds they receive. The seller effectively becomes a lender, earning the spread between the interest rate they charge the buyer and the rate on their existing loan.

Why Sellers Consider a Wraparound

A seller with an existing mortgage at a historically low rate has a strong incentive to keep that loan in place rather than pay it off, especially in a higher-rate market where a buyer's new financing would come in several points higher. By wrapping the existing loan into a new note at a rate between the old rate and current market rates, the seller can generate ongoing interest income they wouldn't get from a simple cash sale, spread out their tax liability on the gain over the life of the note (subject to installment sale tax rules), and sell a property that might otherwise be harder to move to a buyer who can't qualify for conventional financing at today's rates.

Why Buyers Consider a Wraparound

For buyers, a wraparound can provide a path to purchase a property without qualifying for a new institutional loan — useful for investors managing multiple properties who don't want another loan on their personal credit profile, or buyers who don't currently qualify for conventional financing but can demonstrate the ability to make payments reliably. Closing costs are also typically lower than a conventional purchase, since there's no new institutional loan origination involved.

The Due-on-Sale Clause: The Single Biggest Risk

Almost every institutional mortgage contains a due-on-sale clause, giving the lender the right to call the entire loan balance due immediately if the property is sold or transferred without their consent — which is exactly what happens, technically, in a wraparound. In practice, many lenders don't actively monitor for this and don't call the loan as long as payments continue on time, but the legal risk doesn't disappear just because it's rarely enforced. Both parties need to go into a wraparound understanding that the underlying lender could, in theory, accelerate the loan, and structure contingency plans — such as refinancing the buyer into their own loan within a set window — accordingly.

Protecting Both Parties in a Wraparound Deal

A wraparound only works smoothly when both sides have real protection built into the transaction, not just a handshake and a promissory note.

For the Buyer

Confirm the seller is actually making payments on the underlying mortgage — a missed underlying payment can trigger foreclosure on the original loan, wiping out the buyer's equity even if the buyer has made every payment to the seller on time. Many wraparound transactions now use a neutral third-party loan servicer who collects the buyer's payment, forwards the underlying mortgage payment directly to the original lender, and remits the remainder to the seller — removing the seller's ability to simply pocket the payment and skip the underlying loan.

For the Seller

Vet the buyer's ability to pay carefully, since the seller remains fully liable on the underlying mortgage regardless of whether the buyer pays them on time. Structure the note with clear default and acceleration terms, and record the transaction properly to protect lien priority if the buyer later defaults and the seller needs to reclaim the property.

Wraparound vs. Subject-To: Understanding the Difference

Wraparounds are frequently confused with "subject-to" purchases, but the two are structurally different. In a subject-to deal, the buyer takes title and simply continues making payments directly on the seller's existing loan, with no new note created between buyer and seller. In a wraparound, the seller creates an entirely new, larger note that wraps around the existing loan, and the buyer pays the seller directly rather than paying the underlying lender. Wraparounds give sellers more control and additional income from the interest rate spread; subject-to deals are typically simpler to structure but give the seller less ongoing involvement or income from the transaction.

When a Wraparound Makes Sense

Wraparounds tend to work best when the seller's existing rate is meaningfully below current market rates, the underlying loan balance is a manageable share of the purchase price (leaving room for a reasonable down payment and equity cushion), and both parties are comfortable with a longer-term financial relationship rather than a clean, one-time transaction. They're generally a poor fit when the underlying loan balance is very high relative to the sale price, or when either party isn't prepared for the ongoing coordination a wraparound requires.

Finding Sellers Open to Creative Financing

Wraparound and other creative-financing deals start with identifying sellers who have the equity position and flexibility to consider them — typically free-and-clear or low-balance owners who aren't in a rush and are open to alternatives to a traditional cash sale. ListCentral's Owner or Seller Finance Lists collection is built around exactly this owner profile.

For a broader look at structuring seller-financed deals, see our conversation framework for free-and-clear sellers, and for finding this seller profile in a specific market, see Owner Finance Leads in Texas.

Frequently Asked Questions

Is a wraparound mortgage legal?

Yes, wraparound mortgages are legal in most states, but they carry due-on-sale clause risk from the underlying lender and should be structured with legal guidance to protect both parties.

What's the difference between a wraparound and a subject-to purchase?

In a subject-to deal, the buyer pays the underlying lender directly and no new note is created. In a wraparound, the seller creates a new, larger note and the buyer pays the seller, who remains responsible for the underlying loan.

What happens if the underlying lender calls the due-on-sale clause?

The full underlying loan balance could become due immediately. This is rare in practice but is a real legal risk both parties should plan for, sometimes with a refinancing contingency built into the agreement.

Who is responsible for paying the underlying mortgage in a wraparound?

The seller remains legally responsible for the underlying mortgage payments, even though the buyer is making a separate, larger payment to the seller under the new wraparound note.

Should a wraparound transaction use a third-party servicer?

It's strongly recommended. A neutral servicer collecting the buyer's payment and forwarding the underlying mortgage payment directly protects the buyer from a seller who might otherwise fail to pay the original loan.