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Temporary buydown: what it means

A temporary buydown makes your monthly payment lower for a limited time at the start of the loan, in exchange for an upfront fee or a higher interest rate later. According to the CFPB, it usually lasts one to three years, and the payment goes up each year until the buydown ends.

In Spanish it is

Reducción temporal de tasa (buydown)

Also written as: temporary interest rate buydown · buydown

The full explanation

On loans Fannie Mae buys, there must be a written agreement with whoever provides the money, and the lender qualifies you at the full note rate, not the reduced rate. If that money were not available, you would still owe the payments set by the note.

An example

The seller offers to pay for a temporary buydown for Julio and Ana. They check what their payment will be once the buydown ends, because that is the payment they will have to live with.

You will see it in…

  • Seller offers in the purchase contract
  • The buydown agreement you sign
  • Your statement, when the payment goes up as the buydown ends
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Still confused by a paper?

A HUD-approved housing counselor can walk you through it. Agencies usually charge little or nothing, many work in Spanish, and they do not sell you anything.

Official sources

We sum up what these official sources say, in plain words. We add no rules they do not state; when a rule changes, the definition and its date change.

  1. 1. CFPB · Why did my monthly mortgage payment go up or change? (external site) · in English · Verified on October 17, 2026
  2. 2. Fannie Mae · Selling Guide B2-1.4-04: Temporary Interest Rate Buydowns (external site) · in English · Verified on October 17, 2026