What Due-on-Sale Clauses Mean for Your Mortgage
When you get a Fannie Mae-backed mortgage, your loan documents include a due-on-sale clause. This provision gives your lender the right to demand full payment of your remaining loan balance if you sell or transfer your property to someone else.
Think of it as your lender's protection mechanism. When they approved your original loan, they evaluated your creditworthiness, income, and ability to repay. If you sell to someone else, the lender wants to ensure the new owner can handle the payments too.
Say you bought a house three years ago with a 30-year fixed-rate mortgage at 3.5% interest. You still owe $280,000. If you sell the house today, the due-on-sale clause requires you to pay off that full $280,000 balance at closing from your sale proceeds. The buyer cannot simply take over your monthly payments and continue with your original loan terms.
How Different Loan Types Handle Assumptions
Fannie Mae uses different due-on-sale provisions depending on your loan type. The specific language in your mortgage documents determines what happens when you sell.
Fixed-rate mortgages almost always include non-assumable due-on-sale clauses. This means the loan must be paid in full when you transfer the property. The buyer needs to get their own financing to purchase your home.
Some adjustable-rate mortgages (ARMs) work differently. Certain ARM products may be assumable during the life of the loan, meaning a qualified buyer could take over your payments. Other ARMs start as non-assumable during an initial fixed-rate period, then become assumable once the rate begins adjusting.
For a 5/1 ARM, the loan might be non-assumable for the first five years, then become assumable afterward. The buyer would need to qualify with the lender just like they were getting a new loan, but they could potentially take over your existing interest rate and terms.
When Assumptions Are Allowed
Even with a non-assumable loan, certain transfers do not trigger the due-on-sale clause. Federal and state laws protect specific situations where you can transfer property without paying off the mortgage.
Transfers to a surviving spouse after death typically do not trigger due-on-sale acceleration. The same applies to transfers during divorce proceedings when one spouse keeps the house. Transfers to children or other family members through inheritance also receive protection.
If you add your spouse to the deed after marriage, this usually does not trigger the clause either. The key is that these transfers involve family relationships or legal circumstances beyond a typical sale.
Required Documentation for Assumptions
When a due-on-sale clause allows assumptions, the buyer must go through a qualification process similar to getting a new mortgage. The lender evaluates whether accepting the new borrower would impair their security interest in the property.
The potential buyer needs to provide standard mortgage application documents. This includes recent pay stubs, tax returns, bank statements, and credit authorization. The lender runs a credit check and calculates debt-to-income ratios using current guidelines.
The property may also need a new appraisal to confirm its current value supports the remaining loan balance. If the home has declined in value significantly since your original purchase, the lender might reject the assumption request.
Why Fannie Mae Requires These Provisions
Due-on-sale clauses protect lenders from taking on unqualified borrowers without proper evaluation. When you originally got your mortgage, the lender assessed your ability to repay based on your specific financial situation. Allowing anyone to take over those payments without similar scrutiny would increase default risk.
These clauses also protect lenders from interest rate risk in changing market conditions. If rates have risen significantly since your loan originated, your below-market rate represents value that the lender wants to recapture when the property changes hands.
For borrowers, non-assumable loans mean you cannot use your mortgage as a selling point when rates are higher than your original rate. However, they also mean you can walk away clean when you sell, without remaining liable for payments if a buyer defaults.
Common Complications and Gotchas
Many homeowners do not realize their loan includes a due-on-sale clause until they try to sell. Some attempt creative financing arrangements like land contracts or lease-purchase agreements to avoid triggering the clause. These strategies often violate the mortgage terms and can result in acceleration demands.
Transfer of partial interests can also trigger due-on-sale provisions. Adding a business partner to your deed or transferring the property into an LLC might activate the clause, even if you retain some ownership. The specific language in your documents determines what constitutes a triggering transfer.
Some borrowers assume they can simply have a buyer take over payments informally. This violates the mortgage terms and leaves you liable for the debt even after you no longer own the property. If the buyer stops paying, the lender can still pursue you for the full balance.
Refinancing eliminates any existing due-on-sale complications since you pay off the original loan. However, if you are considering seller financing or other creative arrangements, review your mortgage documents carefully or consult with an attorney who understands real estate law.
References
For the official guidelines, see 4101.9: Due-on-sale provisions in the Fannie Mae Selling Guide.
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Original Freddie Mac Guideline Text
This section contains requirements related to:
Summary of due-on-sale characteristics
Exceptions for applicable laws and certain circumstances
(a)
Description of due-on-sale clauses
The “due-on-sale” clauses in the Uniform Instruments include provisions governing whether the loan will be accelerated if the Borrower sells or transfers the Mortgaged Premises or any interest in the Mortgaged Premises, or whether instead the loan may be assumed by a third party who acquires the Mortgaged Premises or any interest in the Mortgaged Premises by sale or transfer.
Uniform Instruments for different Mortgage products may have different due-on-sale clauses. The type of due-on-sale clause set forth in the Uniform Instruments used to originate a particular Mortgage determines whether the Mortgage is assumable by the party to whom the Mortgaged Premises is transferred.
The Uniform Instruments used in connection with the origination of ARMs contain due-on-sale provisions governing whether the loan will be accelerated if the Borrower sells or transfers the Mortgaged Premises or any interest in the Mortgaged Premises, or whether instead the loan may be assumed by a third party who acquires the Mortgaged Premises or any interest in the Mortgaged Premises.
(b)
Description
Nonassumable during the life of the loan
Some due-on-sale clauses provide that the lender will require immediate payment in full of all sums secured by the Security Instrument (generally referred to as accelerating the loan) if the Borrower sells or transfers the Mortgaged Premises.
The effect of this type of due-on-sale clause is that the Mortgage is nonassumable for the life of the loan. The Uniform Instruments used with fixed-rate Mortgages include this type of due-on-sale clause.
Assumable during the life of the loan
Some due-on-sale clauses state that the lender will not accelerate the loan if the lender evaluates the proposed sale or transfer as if a new loan were being made to the intended transferee, and if the lender determines the lender’s security would not be impaired by the loan assumption.
The effect of this type of due-on-sale clause is that the Mortgage is assumable for the life of the loan. Freddie Mac makes available ARM Uniform Instruments for all ARM indices that include this type of due-on-sale clause.
Assumable until a specified event, then nonassumable
Some due-on-sale clauses provide that the loan is assumable until the occurrence of a specified event, but after that specified event has occurred, the loan is nonassumable.
Nonassumable during a specified period of time and assumable thereafter
Some due-on-sale clauses provide that during an initial specified period of time, the loan is nonassumable, but after that specified period of time, the loan is assumable provided certain conditions are met. With respect to an ARM, the specified period of time is the end of the Initial Period. ARMs must be assumable during the entire period during which the interest rate is adjustable.
Freddie Mac makes available ARM Uniform Instruments for 6-Month SOFR-indexed ARMs that include this type of due-on-sale clause, and the Mortgages become assumable after the end of the Initial Period when the Note Rate begins to adjust.
Nonassumable during a specified period of time and thereafter assumable until a specified event, and then nonassumable
Some due-on-sale clauses include the following information:
An initial specified period during which the Mortgage is nonassumable
A statement that the loan is assumable after the initial specified period and provided certain conditions are met, and
A statement that the loan is nonassumable upon the occurrence of a specified event
(c)
Summary of due-on-sale characteristics
Fixed-rate Mortgages must be originated as follows:
For all fixed-rate Mortgages other than those listed in the bullet below, on Uniform Instruments that provide for the Mortgage to be nonassumable
For fixed-rate assumable Mortgages sold under the Guarantor program, on Uniform Instruments that provide for the Mortgage to be nonassumable and were executed with a Note Addendum and a Security Instrument Rider that provide for the Mortgage to be assumable subject to certain conditions (an “Assumable Mortgage”). The Note Addendum and Security Instrument Rider are available on Freddie Mac’s Uniform Instrument webpage at
https://sf.freddiemac.com/tools-learning/uniform-instruments/2021-updated-instruments
(opens in new window)
.
The Seller must obtain Freddie Mac’s written approval before selling Assumable Mortgages to Freddie Mac by contacting its Freddie Mac representative or Customer Service at 800-FREDDIE
All 6-Month SOFR-indexed ARMs may be originated on Uniform Instruments that provide either for the Mortgage to be assumable during the life of the Mortgage or for the Mortgage to be nonassumable during the Initial Period and assumable thereafter.
For eligible Mortgage products that are not originated on Uniform Instruments, such as FHA and VA Mortgages, the due-on-sale characteristics may be different from those specified above.
(d)
Exceptions for applicable laws and certain circumstances
Regardless of the type of due-on-sale clause stated in the Uniform Instrument used to originate a Mortgage, Freddie Mac will permit a Mortgage, which under its terms is nonassumable, to be assumed if required by federal or State law or under the circumstances as described in
Sections 8406.1(d)
and
8406.2(a)
.

