Glossary term
Temporary Buydown
A temporary buydown lowers a mortgage borrower's effective payment rate for a limited early period before payments rise to the note rate.
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What Is a Temporary Buydown?
A temporary buydown is a mortgage arrangement that lowers the borrower's effective payment rate for a limited period, usually the first one to three years of the loan. After the buydown period ends, payments are calculated using the full note rate stated in the mortgage documents.
The lower early payment is not a permanent reduction in the loan's interest rate. Someone, often the seller, builder, lender, or another interested party, funds the difference between the reduced payment and the payment that would have been due at the note rate.
Key Takeaways
- A temporary buydown reduces early mortgage payments for a set period.
- The note rate does not change; the subsidy covers part of the payment temporarily.
- Common structures include 3-2-1 and 2-1 buydowns.
- Borrowers are generally qualified using the note rate, not the reduced buydown payment.
- The main risk is payment shock when the buydown period ends.
How the Payment Step-Up Works
In a 2-1 buydown, the borrower's first-year payment may be calculated as if the rate were two percentage points below the note rate. In the second year, the payment may be calculated one percentage point below the note rate. In the third year, the payment moves to the full note-rate payment.
The structure can make the first years of ownership easier to manage, especially when the buyer expects income to rise or wants time to absorb moving and setup costs. It can also make a listing more attractive without requiring the seller or builder to cut the headline price.
Temporary Buydown Patterns
Structure | Typical payment pattern |
|---|---|
1-0 buydown | Payment is reduced for one year, then moves to the note-rate payment. |
2-1 buydown | Payment is reduced more in year one, less in year two, then resets to the note rate. |
3-2-1 buydown | Payment steps up over three years before reaching the note-rate payment. |
Permanent buydown | Different structure; points are paid to lower the rate for the life of the loan. |
Affordability and Qualification
A temporary buydown can reduce cash outflow early, but it usually does not let the borrower qualify based on the lower temporary payment. Under common conventional mortgage rules, the borrower is underwritten at the note rate without considering the temporary buydown. That distinction matters because the lender is testing whether the borrower can handle the later payment.
The buydown also has to fit the loan program's rules. If a seller or builder funds it, the contribution may count toward interested-party contribution limits. If the subsidy is too large or structured incorrectly, it can affect loan eligibility or how the transaction is treated.
The Bottom Line
A temporary buydown lowers a mortgage payment for a short early period, but it does not erase the full payment. It is most useful when the borrower can comfortably afford the note-rate payment once the subsidy ends.