Step 1: Understand Existing Loan
Obtain reliable information about the balance, interest rate, payment, escrow, maturity, delinquency, and the due-on-sale clause.
Do not rely on seller memory.
Step 2: Determine Equity
Property value
$500,000
Existing mortgage
$350,000
Seller equity (before costs)
$150,000
The buyer may need to compensate the seller for all or some of that equity.
Step 3: Perform Full Title Review
Check the first mortgage, second mortgage, HELOC, HOA lien, tax lien, judgments, HEI, and other encumbrances.
“Subject to the mortgage”
does not mean “subject only to the mortgage.”
Step 4: Deal With Due-on-Sale Risk
The parties need legal advice regarding the lender's contractual rights. Federal law broadly validates due-on-sale enforcement outside specified protected transfers.
Step 5: Insurance
The new owner needs appropriate insurance. This is often mishandled in amateur subject-to deals.
Step 6: Payment Servicing
Consider a professional third-party servicer to document payment, escrow, taxes, insurance, and loan status.
The seller should not simply hope the buyer is paying.
Step 7: Exit Strategy
The buyer should know how the existing mortgage will eventually be removed. Potential exits include a formal refinance, a sale, a payoff, or another lawful transaction.
Why Payment Control Matters to Seller
The seller's credit may remain exposed. A buyer missing payments can harm someone who no longer even owns the property. That is a serious issue.
Why Subject-To Gets Marketed So Aggressively Online
Because when the existing interest rate is very low, the economics can look extraordinary.
But low interest does not eliminate due-on-sale, seller liability, insurance, title, servicing, or legal risk.
