What Is Subject-To Financing? A Plain-English Guide With Examples
Subject-To is the structure investors quietly use to close deals when standard financing won't pencil. The seller's loan stays in place. You take title. You make the payments. No new bank, no new appraisal, no new origination fees.
The mechanics are simple. The pitch is what most investors freeze on.
This page is the definition, the example with real numbers, the risks nobody mentions until you're 30 days in, and when Sub2 actually fits the deal in front of you.
The 30-second definition
You buy the property subject to the seller's existing mortgage.
Title transfers to you. The loan stays in the seller's name. You make the payments — directly to the lender, not to the seller. The seller walks away from the property without paying off the loan.
That's it. No new financing. No bank approval. No origination. The asking-price math doesn't change — but the cash you need at closing drops to whatever the seller has in equity above the loan balance, plus closing costs.
A real-numbers example
A $400,000 house. The seller has a $250,000 loan at 4.0% interest, with 22 years left.
- Standard 20% down purchase: you bring $80,000 cash + closing costs. New loan at today's rate (call it 7.5%). Monthly P&I roughly $2,238.
- Subject-To purchase: you bring $150,000 cash to the seller (their equity above the loan), assume the existing $250,000 / 4.0% / 22-year loan. Monthly P&I stays at the seller's $1,635.
Same property. Same price. Different cash position and different monthly payment.
The Sub2 version costs you $70,000 more at the closing table — but saves you $603/month in payment, and you're not on the hook for a new loan that shows up on your debt-to-income ratio.
That last part is why active investors care. Sub2 doesn't count against your conventional financing limit. You can buy your 11th house this way after the bank cut you off at 10.
Why a seller would say yes
Three reasons sellers actually take Sub2 offers:
- They need to move and they're at or near zero equity. A standard sale won't net them anything after agent commissions and closing costs. Sub2 gets them out without writing a check at closing.
- The home is hard to finance conventionally. Failed inspection, deferred maintenance, an HOA in litigation — anything that makes lenders nervous. The seller's loan already exists. You're not asking a new lender to approve anything.
- They want a fast, certain close. No appraisal contingency. No financing contingency. You can close in 14 days with a title company.
What sellers care less about — but you should know — is that their loan stays in their name. If you stop paying, their credit takes the hit. That single fact is what makes the pitch work or fail. We cover the script in The Subject-To Pitch Script: A Template That Reframes Price as Terms.
The risks (the ones nobody mentions in a YouTube video)
Sub2 is legal. Sub2 is also operationally fragile. Three real risks:
1. The Due-on-Sale clause. Most conventional mortgages contain language that lets the lender call the loan due in full if title transfers. Lenders rarely do this when payments are current and rates are low — but "rarely" isn't "never." We unpack this in Due-on-Sale Clause and Sub2: What Actually Triggers a Call.
2. Insurance. The hazard policy needs to be rewritten with you as the named insured and the seller's lender as the loss payee. Done wrong, a claim doesn't pay. Done with a "land trust workaround," some lenders flag the title transfer.
3. Seller cooperation post-close. You need the seller to forward any escrow refunds, mortgage statements, and tax notices that arrive in their name for the next 5–20 years. A seller who moves cross-country and stops responding to email becomes an operational headache, not a deal-killer — but plan for it.
None of these kill Sub2 as a strategy. They do mean Sub2 is a structure for investors who can run their own ops, not a passive play.
When Sub2 makes sense — and when it doesn't
Sub2 fits when:
- The seller's existing rate is meaningfully below today's market (the gap is the whole point)
- The seller has low or zero equity above the loan
- The property cash-flows at the existing payment but not at today's payment
- You're past the conventional 10-loan limit
- Speed and certainty matter more to the seller than top dollar
Sub2 doesn't fit when:
- The seller's existing rate is at or above today's market — there's no rate-arbitrage advantage
- The seller has substantial equity and needs cash at closing — a standard sale or a seller-carry second is cleaner
- You can't service the loan reliably (Sub2 puts the seller's credit on the line)
- The lender has a recent history of calling Due-on-Sale (rare, but check)
The wrong structure on the wrong deal is worse than no deal. Sub2 is one of four paths most properties have. The other three — price negotiation, additional capital, and the blended plan — are usually the right answer when Sub2 isn't.
The pitch in one paragraph
The full script is its own page. The pitch in a single sentence is this:
"I can pay full asking. Your loan stays in place. I take title, I make the payments, and you walk away from the property without writing a check at closing or carrying the mortgage on your credit going forward."
That's the frame. The seller cares about the second clause. The translation work — what "subject to" means in language a non-investor seller understands — is what separates a pitch that lands from a pitch that ends the call.
The full annotated script with three seller-type variants: The Subject-To Pitch Script: A Template That Reframes Price as Terms.
How DealGapIQ models Subject-To
Paste an address. Discovery checks whether Sub2 is one of the four paths that closes the gap on this property. If the seller's rate is low and equity is thin, Path 3 or Path 4 will surface a Sub2 structure with the exact cash-to-close, monthly payment, and seller-credit-impact numbers — and the pitch script that fits the seller type.
DealGapIQ doesn't tell you to use Sub2. It tells you whether Sub2 is one of the structures the math supports on this specific property, with the dollar numbers laid out and the script ready to print.
FAQ
Is Subject-To legal? Yes. Sub2 is a recognized real-estate transfer structure. The Due-on-Sale clause in most mortgages gives the lender the option to accelerate the loan, but does not make the transfer illegal. Speak with a real-estate attorney for your state.
Do I need the seller's lender to approve a Sub2 purchase? No. The lender is not a party to the transaction. Title transfers between buyer and seller. The loan stays in the seller's name. The lender continues receiving payments — they're not asked for approval.
What happens to the seller's credit if I miss a payment? The loan is still in their name. Late payments hit their credit. Default puts them at risk of foreclosure on a property they no longer own. This is why Sub2 only fits investors who can reliably service the loan. Trust is the deal.
How much cash do I need at closing for a Subject-To purchase? The seller's equity above the loan balance, plus closing costs. On a $400K house with a $250K loan, expect $150K + closing costs. If the seller is willing to carry their equity as a second mortgage (a seller carryback), the cash-to-close drops further.
Can I refinance a property I bought Subject-To? Yes. Most investors refinance the existing loan into their own name within 1–5 years, typically when rates drop or they've stabilized the property. Refinancing pays off the seller's loan and ends the Sub2 structure.
Subject-To is one structure of many. Every property has more leverage than the asking price suggests — but only if you know which structure fits. Run a free Discovery on the property you've been watching →
We analyze. You decide. Not financial, legal, or investment advice.
By Brad Geisen ·