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What Is a Subject-To Deal in Real Estate? Complete 2026 Guide

If you've been researching ways to sell your house — especially if you're facing foreclosure, are underwater on your mortgage, or locked into a low interest rate — you may have come across the term "subject-to" or "sub-to." It sounds complicated, but the concept is straightforward. This guide breaks down everything you need to know.

Subject-To: The Simple Explanation

A subject-to deal means a buyer purchases your property "subject to" the existing mortgage remaining in place. The deed transfers to the buyer, but the mortgage stays in the seller's name. The buyer takes over the monthly payments going forward.

Think of it this way: the ownership changes hands, but the loan doesn't. The buyer pays your mortgage for you, and you walk away from the property and the payments.

Why Would a Seller Do a Subject-To Deal?

Subject-to deals solve problems that traditional sales can't:

• You're underwater on your mortgage. If you owe $300,000 but your house is only worth $280,000, a traditional sale means you'd need to bring $20,000+ to closing. In a subject-to deal, the buyer takes over the payments and you walk away without writing a check.
• You're facing foreclosure. If you're behind on payments, a subject-to buyer can bring the loan current and take over payments — stopping the foreclosure and protecting your credit.
• You have a low interest rate. Many homeowners locked in 2.5-4% rates during 2020-2022. In a subject-to deal, that low rate stays on the property, making it more valuable to buyers and often resulting in a higher sale price for you.
• You need to sell fast but can't afford agent commissions. No listing, no showings, no 5-6% commission hit.

How a Subject-To Deal Works — Step by Step

• Step 1: Seller and buyer agree on terms — purchase price, any cash to seller at closing, and the mortgage balance.
• Step 2: The deed transfers from seller to buyer at a title company, just like any real estate closing.
• Step 3: The existing mortgage stays in the seller's name, but the buyer makes all future payments.
• Step 4: The buyer either holds the property as a rental, renovates and sells it, or refinances into their own loan later.

Is It Legal?

Yes. Subject-to transactions are legal in all 50 states. They've been used in real estate for decades. The key consideration is the "due on sale" clause in most mortgages, which technically allows the lender to call the loan due if ownership transfers. In practice, lenders rarely enforce this as long as payments are being made on time — a performing loan is the last thing a lender wants to disrupt.

What About the Seller's Credit?

As long as the buyer makes payments on time, the mortgage reports as current on the seller's credit. In many cases, a subject-to deal improves the seller's credit by bringing a delinquent loan current and keeping it performing.

Subject-To vs. Loan Assumption — What's the Difference?

In a loan assumption, the buyer formally takes over the mortgage with the lender's approval. The loan transfers to the buyer's name. Most conventional loans don't allow assumptions.

In a subject-to deal, the loan stays in the seller's name. No lender approval is needed. This is what makes subject-to deals possible when assumptions aren't — which is most of the time.

When Does a Subject-To Deal NOT Make Sense?

• You have significant equity and would get more from a traditional cash sale
• You're not comfortable with the mortgage staying in your name (even though someone else is paying it)
• Your mortgage has a very high interest rate — buyers prefer taking over low-rate loans

How Melo Haven Uses Subject-To to Help Sellers

At Melo Haven, subject-to is one of several tools we use to help property owners. When a straight cash offer doesn't solve the seller's problem — because they're underwater, facing foreclosure, or have a below-market rate — subject-to often does. We take over the payments, bring the loan current if needed, and let the seller walk away clean.

We present every seller with all their options: cash offer, subject-to, seller financing, or a combination. The right deal structure depends entirely on the seller's situation.