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Mortgage buydowns lower what you pay on a home loan either temporarily or for the life of the loan. A temporary buydown uses money placed in a subsidy account to reduce your early payments, then steps those payments up to the full note-rate amount. A permanent buydown uses discount points paid at closing to obtain a lower note rate throughout the loan term. The better choice depends on the written note, the payment after any subsidy ends, upfront cost, likely time in the home, and the transaction’s eligibility and contribution limits—not on an advertised introductory payment.
At a glance
| Name | Best for | Key spec | Checked |
|---|---|---|---|
| Temporary buydown (such as 2-1 or 3-2-1) | Borrowers who need short-term payment relief and can afford the full payment later | Subsidy funds reduce the borrower’s payment for a defined period; the note rate and permanent payment do not change | November 2026 |
| Permanent buydown with discount points | Borrowers expecting to keep the mortgage long enough to recover the upfront cost | Points lower the contractual note rate for the loan, subject to its terms; qualification is generally based on that permanent rate | November 2026 |
What is a temporary mortgage buydown?
A temporary buydown is a funded subsidy that covers part of the scheduled interest-and-principal payment for a specified period. The money is deposited in a buydown account and released according to a written schedule. It does not, by itself, rewrite the mortgage note or permanently reduce the interest rate.
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In a common 2-1 buydown, the payment in year one is calculated using a rate two percentage points below the note rate, year two uses a rate one point below, and subsequent years use the full note-rate payment. A 3-2-1 buydown uses rates three points below in year one, two points below in year two, one point below in year three, and the full note rate afterward. The percentages describe the temporary payment calculation; they are not a promise that the lender has changed the contractual rate.
For example, a note rate of 7% could have temporary payment calculations at 5% and 6% under a 2-1 structure before reaching the 7% payment. The actual dollars depend on the balance, term, amortization, and the loan’s other charges. Treat any example as illustrative and use the lender’s amortization schedule for a real offer.
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Fannie Mae’s temporary-buydown guidance requires the mortgage documents to reflect the permanent payment terms. It also says the borrower remains responsible for payments required by the note if subsidy funds are unavailable. Ask for the agreement that explains the account, release schedule, administrator, and treatment of any balance if the loan is paid off early.
How does a permanent buydown work?
A permanent buydown is an upfront pricing decision. You pay discount points—typically at closing—in exchange for a lower note rate for the mortgage term. The lower rate changes the contractual principal-and-interest payment, unlike a temporary subsidy that only funds early payment reductions.
There is no universal rule that one point always lowers the rate by a fixed fraction. The relationship varies with the lender, loan type, borrower profile, market pricing, and the day the rate is locked. Request a same-day quote showing the rate and payment with no points and with the proposed points.
One program-specific example is Freddie Mac’s financed permanent buydown mortgage, whose public summary allows up to three financed discount points under its requirements and qualifies the borrower at the permanent bought-down note rate. That limit is not a universal rule for every mortgage. The applicable lender program, agency guide, and closing documents control.
What happens to the payment over time?
With a temporary buydown, the payment follows a staircase: an initial subsidized amount, one or more scheduled increases, and then the full note-rate amount. The payment can rise even if market rates do not change because the subsidy is being reduced or has ended.
With a permanent buydown, the principal-and-interest payment is lower from the first regular payment and remains tied to the lower fixed note rate. An adjustable-rate mortgage can still change later under its adjustment rules; a permanent buydown does not remove ARM caps, indexes, margins, or adjustment dates.
In either case, taxes, homeowners insurance, mortgage insurance, association dues, and escrow changes can make the total monthly housing payment differ from the principal-and-interest figure in an advertisement. Compare the complete payment shown in the Loan Estimate and Closing Disclosure.
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How are temporary buydowns regulated and underwritten?
Agency rules are narrower than the phrase “mortgage buydown” suggests. Fannie Mae permits temporary buydowns for eligible fixed-rate mortgages and certain adjustable-rate plans on principal residences and second homes. Its guidance caps the reduction at three percentage points, limits the duration to three years, and limits increases in the borrower-paid portion of the rate to one percentage point in each one-year interval. The cited guidance excludes investment-property loans and cash-out refinances.
Freddie Mac’s public summary for temporary subsidy buydown plans likewise says the plan cannot last more than three years or reduce the initial rate by more than three percentage points. It identifies exclusions including investment-property mortgages and cash-out refinances. Freddie Mac directs lenders to its Seller/Servicer Guide and Purchase Documents, so a summary page should not substitute for the requirements of the actual loan delivery.
Underwriting generally uses the full permanent note rate rather than the discounted first-year payment. Freddie Mac’s 2023 research states: “No matter the type of buydown, lenders must qualify the homebuyers at the full interest rate.” That is a description of the research and common agency treatment, not a complete rule for every mortgage product. Confirm the qualifying rate with the lender before making an offer.
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Depending on the program and transaction, funds may come from the borrower, seller, builder, lender, employer, or another permitted party. A seller-funded buydown is often offered as a concession, but the credit is not free money: it is part of the negotiation over price, rate, fees, and cash to close.
Fannie Mae’s interested-party contribution guidance says the cost of a temporary or permanent buydown funded by an interested party counts toward the applicable contribution calculation. Limits vary by loan type, occupancy, down payment, and transaction. A seller credit that exceeds the permitted amount may not be usable in full, so have the lender calculate the limit before relying on it.
Compare the same credit under several permitted uses: temporary payment subsidies, permanent points, eligible closing costs, prepaid items, or a price reduction. The best use depends on which option changes the payment or cash requirement most efficiently without making the purchase price or future payment unaffordable.
Does a temporary buydown cost more than the advertised payment suggests?
The subsidy must be funded with a specific dollar amount. The required deposit is generally the present value of the scheduled payment reductions, calculated from the loan balance, term, note rate, and payment schedule. A lender or settlement agent should show the subsidy amount and each payment level rather than quoting only the first-year payment.
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A temporary offer can also carry a different interest rate or fee structure from a comparable loan without the subsidy. Freddie Mac’s research found that temporary-buydown options had rates 15 basis points higher on average in its June 2022-to-June 2023 comparison. That finding applies to the study’s sample and is not a forecast of today’s pricing. Obtain competing quotes using identical loan assumptions.
For a permanent buydown, the key cost is the incremental points and any associated lender charges. Divide that incremental upfront cost by the monthly principal-and-interest savings to estimate a simple break-even period:
Break-even months = additional cost of points ÷ monthly payment savings.
This is only a screening calculation. Include the effect of a changing loan balance, taxes and insurance, refinancing or sale costs, and the alternative return you could earn by keeping the cash. A borrower who sells or refinances before the break-even point may not recover the points.
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A 2-1 buydown gives two years of scheduled payment relief: the first year is calculated two percentage points below the note rate, the second year one point below, and the remaining years at the note rate. It can be worthwhile when a borrower has a documented, temporary cash-flow constraint and can comfortably afford the full payment from the start of the permanent period.
It is risky when the lower payment is being used to qualify the household’s budget rather than to bridge a known transition. Salary increases, a planned sale, or a refinance are possibilities, not guarantees. Underwrite your own budget at the full note-rate payment, including taxes, insurance, maintenance, and other debts, before treating the subsidy as an advantage.
Compare the 2-1 deposit with the cost of permanent points and with a seller credit used for closing costs. Ask what happens if you refinance, sell, or pay off the mortgage in year one. The agreement may permit remaining funds to be applied in a specified way, but that treatment must be stated in the documents.
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What should you compare before choosing?
Put every offer on the same assumptions and compare the whole loan, not just the introductory payment.
- Permanent note rate: Record the rate in the note, not the temporary rate shown in an advertisement.
- Payment by period: List the principal-and-interest amount in each temporary year and after the subsidy ends. Add escrow and mortgage insurance separately.
- Upfront cash: Include points, lender fees, the buydown deposit, prepaid items, and the cash required at closing.
- Total cost over your likely horizon: Calculate costs if you keep the loan for two, five, 10, and longer years, and include likely sale or refinance expenses.
- Break-even: For permanent points, compare the point cost with monthly savings. For a temporary plan, compare the subsidy’s value with any rate or fee difference and with other uses of the credit.
- Funding and contribution limits: Identify who pays, whether the party is permitted, and how the amount counts toward interested-party contribution limits.
- Eligibility: Check occupancy, property type, refinance purpose, fixed-versus-ARM structure, loan limits, and the lender’s underwriting rules.
- Documentation: Require the note, buydown agreement, Loan Estimate, and Closing Disclosure to describe consistent rates, payments, fees, and payoff treatment.
What documents should you read before closing?
Start with the promissory note. It should state the contractual rate, payment obligations, adjustment terms if applicable, and default consequences. A temporary subsidy agreement is separate evidence of how funds will be applied; it does not necessarily change the note.
Then compare the written agreement with the Loan Estimate and Closing Disclosure. Confirm:
- the permanent note rate and principal-and-interest payment;
- each temporary payment level and the date each increase occurs;
- the subsidy source, total amount, account administrator, and release schedule;
- discount points, lender fees, and total cash to close;
- whether unused funds can be returned, credited, or applied after an early payoff;
- how a sale, refinance, assumption, transfer, or delinquency affects the subsidy; and
- which party is responsible if the subsidy account is short or funds are not released.
The Consumer Financial Protection Bureau’s hosted official staff commentary on Regulation Z explains that disclosure treatment depends on whether a third-party buydown is reflected in the credit contract. In its example, a seller subsidy outside the contract does not change the contractual rate for the bank’s disclosures when the borrower remains legally obligated for the original note rate. The commentary also treats a consumer-funded buydown as a prepaid finance charge in its example, with multiple payment levels potentially requiring corresponding disclosures. The exact result depends on the agreement and loan facts.
If an advertised payment conflicts with the note or Closing Disclosure, pause the closing and ask the lender to explain the difference in writing. Do not rely on a verbal promise that the documents will be corrected later.
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How common are temporary buydowns?
Temporary buydowns became more visible when sellers and builders used concessions to support affordability, but the published figures are historical and narrowly defined. Freddie Mac reported that 2.8% of its funded purchase, 30-year fixed-rate, conforming, owner-occupied mortgages used temporary buydowns in June 2023. The share had peaked at 7.6% in December 2022 in that same research series.
The sample covered loans funded from January 2022 through June 2023. Those percentages are not current market shares and should not be used to predict how often a lender offers a buydown now. Availability and pricing depend on market rates, agency rules, lender overlays, and seller or builder concessions.
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What are the main pitfalls?
- Budgeting for the teaser payment: The full note-rate payment is the obligation that must fit your budget after the subsidy expires.
- Assuming a refinance will rescue you: A future refinance depends on rates, credit, equity, income, and closing costs.
- Using a one-point rule of thumb: Point-to-rate trade-offs change by lender and market; obtain a written price comparison.
- Ignoring contribution caps: A seller or builder may not be able to fund the entire requested amount under the applicable program.
- Comparing unequal quotes: A temporary offer with a higher note rate, different points, or different lender fees is not comparable until those variables are aligned.
- Overlooking property and occupancy restrictions: Investment properties and cash-out refinances are excluded under the cited agency temporary-buydown rules, and other programs may impose additional limits.
- Missing payoff language: Early sale or refinance can leave a balance in the subsidy account; the agreement determines whether it is credited, returned, or handled another way.
- Confusing principal and interest with total housing cost: Escrow, mortgage insurance, and association charges can rise independently of the buydown.
What is a practical decision process?
- Get two written versions of the same loan. Ask for the loan without a buydown and with the proposed temporary or permanent reduction. Keep term, loan amount, occupancy, points, and lender fees constant.
- Verify the permanent payment. Use the note-rate payment—not the first-year payment—to test debt-to-income comfort and emergency-fund needs.
- Map your time horizon. Estimate when you might sell, refinance, make a large principal payment, or move. Run costs through each plausible date.
- Calculate the incremental cost. For permanent points, divide the added cost by monthly savings. For a temporary plan, identify the subsidy deposit and any rate or fee premium.
- Check program rules. Confirm occupancy, property type, refinance purpose, temporary-period limits, ARM restrictions, and contribution caps with the lender.
- Review the documents together. Ensure the note, subsidy agreement, Loan Estimate, and Closing Disclosure show the same permanent rate, temporary schedule, fees, and payoff treatment.
- Choose the option that works without optimistic assumptions. A lower early payment is useful only if the later payment, total cost, and documented obligations remain manageable.
Which option is usually better?
Neither structure is automatically cheaper. A temporary buydown favors early cash-flow relief and may be attractive when a seller or builder is providing a permitted credit. A permanent buydown favors borrowers who expect to retain the loan beyond the points’ break-even period and value a lower contractual payment immediately.
If you cannot afford the full note-rate payment, a temporary buydown does not solve the affordability problem; it postpones it. If you may sell or refinance soon, permanent points may not be recovered. The decision should follow the written payment schedule, total cost under realistic holding periods, and applicable program rules.
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How should a seller-funded offer be evaluated?
Start with the home’s price and the permanent note terms, then model the seller credit as a use of cash. Compare a temporary subsidy, permanent points, closing-cost assistance, and a price reduction using the same loan amount and rate assumptions where possible.
A credit that lowers the first-year payment can be less valuable than a larger price reduction if the temporary payment is followed by an unaffordable jump or if the credit exceeds program limits. Conversely, a price reduction may have little monthly effect when the loan balance and rate remain high. Ask the lender for side-by-side Loan Estimates and the settlement agent for a written accounting of the contribution.
What should you ask the lender?
- What is the contractual note rate, and what payment is due after the subsidy ends?
- How much money must be deposited into the buydown account, and who controls it?
- What happens to unused funds after a sale, refinance, payoff, assumption, or default?
- Are the temporary rates and payment increases within the applicable agency and lender limits?
- How will the buydown affect the Loan Estimate, Closing Disclosure, finance-charge calculation, and annual percentage rate?
- What is the price with zero points, and what is the exact rate and payment at each points level?
- How does the seller or builder contribution count toward the transaction’s interested-party contribution limit?
- Is the loan fixed-rate or adjustable, and which future ARM adjustments remain possible?
- What documentation will show the subsidy schedule and the permanent payment obligation?
Bottom line
A temporary buydown buys short-term payment relief with a finite subsidy; a permanent buydown buys a lower note rate with upfront points. Compare both against the full payment, total cash to close, break-even period, likely time in the loan, contribution limits, and the exact written documents. The introductory payment is only one line in the decision.
Frequently Asked Questions
Can I refinance while a temporary buydown is still active?
Usually you can request a refinance, but the new lender will evaluate the existing payoff and the buydown agreement. Any remaining subsidy balance may be handled according to that agreement rather than transferred automatically, so obtain a payoff statement and written treatment before proceeding.
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The answer depends on how the points or subsidy are disclosed and on the loan facts. Consumer-funded points are generally finance charges, while a third-party subsidy outside the credit contract can be treated differently; compare the APR and finance-charge disclosures on the Loan Estimate and Closing Disclosure rather than inferring it from the payment.
Can buydown funds be used for taxes or homeowners insurance?
A buydown account is designed to reduce scheduled mortgage payments under its written plan. Escrow items are separate charges, so the agreement and closing documents should be checked before assuming any subsidy can cover them.
What happens if I sell the home before the temporary period ends?
The written buydown agreement controls the treatment of unused funds. Depending on its terms and the loan program, funds may be applied or credited in a specified manner, so ask for that clause before accepting the concession.
