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Temporary Buydown Calculator — 2-1 and 3-2-1 Payment Schedule

See exactly what a seller- or lender-funded 2-1 or 3-2-1 temporary buydown costs, and the real payment you owe in each year before it steps up to the permanent rate.

Quick answer: See the exact year-by-year payment and cost of a 2-1 or 3-2-1 temporary rate buydown before you ask a seller or lender to fund one. Enter Loan Amount, Permanent Note Rate, Buydown Structure, and Loan Term (years) to personalize the estimate. It returns Total Buydown Escrow Needed, Payment At Permanent Note Rate, and Year 1 Effective Rate so you can compare the impact before choosing a next step. Use it to compare payment, equity, rate, and timing tradeoffs before applying or changing a loan.

SWReviewed by SwitchWize Research Desk · Last reviewed August 19, 2026
Total Buydown Escrow Needed
$17,636
Total Buydown Escrow Needed
$17,636
Payment At Permanent Note Rate
$2,458
Year 1 Effective Rate
3.23%
Year 2 Effective Rate
4.23%
Payment by year
Year 3 Effective Rate
5.23%
Year 1 Payment
$1,736
Year 2 Payment
$1,963
Year 3 Payment
$2,204
Year 1 Monthly Savings
$721
Year 2 Monthly Savings
$495
Year 3 Monthly Savings
$254
Diagnostic

Funding this buydown takes about $17,636 in escrow, most often paid by the seller or builder.

The payment steps up each year until it reaches the permanent note-rate payment.

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What to do next

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Your action plan
  1. 1

    Calculate the baseline result with your current numbers

    See the exact year-by-year payment and cost of a 2-1 or 3-2-1 temporary rate buydown before you ask a seller or lender to fund one.

  2. 2

    Compare the result against current market-rate options

    Assumptions change the answer, especially when rates, taxes, or timing matter.

  3. 3

    Save the result to Money Map or use the linked next action

    Turn the result into a prioritized action instead of treating it as a one-off number.

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This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.

Calculator action path

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Guide
First-Time Homeowner Programs: Grants, Down Payment Help, and Tax CreditsFirst-time homebuyer programs offer down payment grants, forgivable loans, reduced mortgage rates, and tax credits. Here's what's available federally and how to find state programs.
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About mortgage rates

Mortgage rates depend on loan type (30-yr fixed, 15-yr fixed, ARM, FHA, VA, jumbo), your credit score, down payment, points paid, loan amount, property state, and whether you're purchasing or refinancing. The calculator above uses a representative market rate for payment estimates — your actual rate will vary.

For a personalized rate comparison, use the tool below to see lenders ranked by APR, loan type, and your profile.

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Frequently Asked Questions

Everything you need to know.

What is a 2-1 or 3-2-1 temporary buydown?
A temporary buydown funds a discount into an escrow account that subsidizes your payment for a fixed number of years. A 2-1 buydown pays 2 percentage points below your note rate in year 1 and 1 point below in year 2, then reverts to the full note-rate payment in year 3. A 3-2-1 buydown adds a third discounted year: 3 points below in year 1, 2 in year 2, 1 in year 3, then the full rate from year 4 on.
Who pays for a temporary buydown?
Most commonly the seller or homebuilder, as a purchase incentive, or sometimes the lender. It is rarely worth paying for out of your own pocket instead of simply negotiating a lower purchase price or permanent rate, since the discount disappears once the buydown period ends and your loan balance does not change.
Does my payment jump automatically after the buydown period?
Yes. Your note rate and loan balance never change — only the subsidized payment does. Once the buydown escrow is exhausted, your payment steps up to exactly what the full note-rate payment always was. Budget for that final-year payment from day one, not the discounted starting payment.
Is the Temporary Buydown Calculator — 2-1 and 3-2-1 Payment Schedule free to use?
Yes. SwitchWize calculators are free, and you do not need an account to run scenarios or view the result.
Does using the Temporary Buydown Calculator — 2-1 and 3-2-1 Payment Schedule affect my credit score?
No. Using a calculator does not trigger a credit check. A credit impact can occur only if you apply directly with a lender, card issuer, or provider.
Are the results personalized financial advice?
No. Calculator outputs are educational estimates based on the inputs you enter. Review assumptions and confirm terms directly with providers before making a financial decision.
What should I do after seeing the result?
Use the recommendation module on this page to compare mortgage rates, or run Money Map to compare this home & mortgage decision with your other opportunities.
How does SwitchWize choose related offers?
Related offers are matched by the calculator surface (mortgage) and ranked using SwitchWize data such as rate, fees, trust signals, product fit, and switching friction. Paid relationships do not change organic ranking order.
How fresh are the rates and offers shown?
Rate and offer data is reviewed on a recurring cadence and every offer module shows review context or links to the methodology and disclosure pages.
Where can I see the ranking methodology?
The SwitchWize methodology page explains how rate freshness, editorial review, affiliate disclosure, and category ranking factors work.
Can Money Map use this result?
Yes. Money Map is the broader diagnostic path: it compares savings, mortgage, cards, and debt so you can see whether this calculator result is your highest-impact next move.

Why This Matters

A temporary buydown lowers your payment for the first two or three years, then jumps to the full note-rate payment. Builders and sellers often pitch the low starting payment without showing what it becomes — this calculator shows every year's real payment and the total escrow it takes to fund the discount, so you can budget for the step-up instead of being surprised by it.

How to Use It

  1. 1Enter your loan amount and the permanent note rate
  2. 2Choose a 2-1 (2 discounted years) or 3-2-1 (3 discounted years) structure
  3. 3Review the payment for each discounted year next to the permanent payment
  4. 4Check the total buydown cost — this is what a seller, builder, or lender needs to fund
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