Buydown

A buydown is an arrangement in which a seller, builder, or the buyer themselves pays an amount of money upfront to a mortgage lender in exchange for a reduced interest rate, lowering the borrower's monthly payments, at least during the early years of the loan. A temporary buydown, such as a 2-1 buydown, reduces the rate by a larger amount in the first year, a smaller amount in the second, before the loan reverts to its full note rate for the remaining term.

A permanent buydown, by contrast, pays points upfront to permanently lower the rate for the entire life of the loan. Buydowns can occur on both fixed-rate and adjustable-rate mortgages, and sellers sometimes offer a temporary buydown as an incentive to help close a sale in a slower housing market without simply lowering the asking price outright.

A buydown is essentially prepaying some of the interest cost upfront so the monthly payment looks lower, either for a short introductory stretch or for the whole life of the loan, depending on which type of buydown is used.

• Homebuilders, as a sales incentive to help move new inventory without cutting the advertised price.
• Sellers, in a softer market, to make their property more attractive relative to competing listings.
• Buyers themselves, who may choose to pay points upfront in exchange for a permanently lower rate over the life of the loan.

Borrowers considering a buydown should calculate the break-even point, the number of months or years it takes for the reduced payments to recoup the upfront cost, and weigh that against how long they realistically expect to keep the loan, since a buydown paid for upfront offers little benefit to a borrower who refinances or sells shortly afterward.

A borrower paying for their own buydown should divide the upfront cost by the monthly payment savings to find the break-even point in months, then compare that against how long they genuinely expect to keep the loan before refinancing or selling, since a buydown paid for out of pocket only pays off if the loan is held past that break-even horizon.

In markets with a surplus of new construction inventory, builders have at times offered aggressive temporary buydowns as a sales incentive rather than reducing the listed price directly, since a lower headline price can affect comparable sales data for the whole development, while a buydown achieves a similar affordability boost without that side effect.

Because a temporary buydown lowers only the early payments, some lenders still qualify the borrower based on the loan's full note rate rather than the temporarily reduced rate, ensuring the borrower can genuinely afford the payment once the buydown period ends and the full rate applies.

Regulators generally require a buydown's structure and funding source to be clearly disclosed in closing documents, so the borrower understands exactly how long the reduced payments will last and what the payment will be once the buydown period expires.

A temporary buydown becomes less attractive, relative to simply taking a standard fixed-rate loan, in an environment where rates are widely expected to fall soon after closing, since a borrower expecting to refinance quickly anyway gains comparatively little from paying for a temporary rate reduction they may not keep long enough to fully benefit from.

Some government and non-profit first-time homebuyer assistance programs specifically fund a temporary buydown as part of a broader affordability package, helping new buyers ease into homeownership with lower initial payments during the years when their income and household budget are often most stretched.

A buydown funded by a third party, such as an employer relocation package or a government program, generally does not affect the borrower's own tax position the way a self-funded buydown might in certain jurisdictions, though specific tax treatment should always be confirmed with a qualified adviser given how much it can vary by country and program.