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Buydown
A buydown is an arrangement where money is paid up front to lower a mortgage’s interest rate, either for the full term or for the first year or two. Buydowns are common in the United States but far less standard in Canada, where lenders more often use discounted rates or cash rebates. Where they do appear here, it’s usually in the pre-construction market, with a builder funding the reduction to help a sale close.
Buydown Quick Facts
- Paying up front to reduce the interest rate
- Can be permanent or temporary
- Funds may come from a buyer, builder, or seller
- Common in the US, uncommon in Canada, outside pre-construction
- Canadian lenders favour discounts and cash rebates
- A lower rate doesn’t offset a low appraisal, the bigger pre-construction risk
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What Is a Buydown
A buydown lowers the interest rate on a mortgage in exchange for an upfront payment, sometimes called basis points. A permanent buydown reduces the rate for the whole term, while a temporary buydown, such as a 2-1 structure, cuts the rate for the first year or two before it rises to the full rate.
The money can come from the buyer, or from a builder or seller, as an incentive to close a sale. In Canada, formal rate buydowns in basis points are uncommon; the same goal is usually met through a negotiated discount off the posted rate or a cash-back mortgage, so the concept appears more often in cross-border comparisons than in Canadian offers.
Why a Buydown Matters for Mortgages
A buydown trades cash today for a lower payment later, so the question is always whether the upfront cost is recovered through interest savings before you sell, refinance, or renew. On a temporary buydown, the payment jumps once the introductory period ends, which affects how you should qualify.
In the Canadian market, it helps to recognize the equivalent tools. A builder promoting a low rate, a lender offering a discounted rate for a fee, or a cash-back mortgage all achieve something similar, and each carries its own trade-off in rate, penalty, or clawback if you break early.
Common Types of Buydowns
Buydowns generally take one of a few forms.
Permanent buydown. An upfront payment lowers the rate for the entire term, raising the cost at closing in exchange for easier qualification and smaller payments throughout the term.
Temporary buydown. The rate is reduced for the first year or two, then steps up. A 2-1 buydown cuts the rate 2% in year one and 1% in year two.
Builder or seller buydown. A builder or seller funds, typically through an assignment, the buydown as a sales incentive, common on new construction, effectively subsidizing the buyer’s early payments.
For example, a builder offers to fund a temporary buydown on a $500,000 mortgage, so your rate is 2% lower in the first year. Your payment is lower at the start, but it increases once the subsidy ends, so confirm you can afford the full rate payment before relying on the lower amount.
How a Buydown Works in Canadian Pre-Construction
In Canadian pre-construction, the buydown is almost always builder-funded. The developer prepays part of your interest to the lender, which lowers your rate for roughly the first one to three years before it returns to its full rate. The appeal for buyers is straightforward. Payments are smaller during the early years of settling into a new home, which frees up the budget when moving and furnishing costs are highest. A lower starting rate can also make qualifying easier under the federal mortgage stress test, since a smaller payment leaves more of your income available.
For developers, the buydown is a sales lever. It helps move slow-selling inventory and secure buyers during an early launch phase, often more quietly than an outright price cut that would reset the value of every other unit in the building.
Buydown Risks in the Canadian Pre-Construction Market
The catch with a builder buydown is that it fixes your rate, not the risk that has hurt pre-construction buyers most. In major condo markets like Toronto and Vancouver, price declines between the purchase date and completion have left many buyers exposed, and a lower headline rate does nothing to close that gap.
The appraisal gap. A pre-construction home is appraised near completion, usually at 97% to 100% complete. If the market has softened since you signed your purchase agreement years ago, the appraised value may come in below the price you agreed to.
The financing trap. A lender bases your mortgage on the lower of the purchase price or the appraised value, so any shortfall has to be covered in cash at closing. Buyers who can’t cover it have defaulted, and in some cases, that has led to lawsuits.
Builder rate guarantees. To manage a related risk, rising rates between signing and closing, some lenders and developers offer extended rate hold programs that occasionally run up to 36 months. These protect the rate you’ll pay, though they do nothing for the property’s value.
Alternatives to Builders Offer
When a direct buydown isn’t on the table, buyers often negotiate other incentives with a developer. Common ones include an extended deposit structure that spreads the required 15%-25% deposit over a longer timeline, a straight price reduction in place of a rate subsidy, and closing cost credits where the builder covers items such as development levies, Tarion warranty enrolment, or legal fees.
Common Mistakes and Misunderstandings About Buydowns
- Assuming buydowns are standard in Canada
- Forgetting the payment jumps after a temporary buydown
- Overlooking whether the upfront cost pays off before you sell
- Confusing a buydown with a cashback mortgage
- Qualifying only on the reduced introductory payment
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Frequently Asked Questions (FAQ) About Buydowns
What is a mortgage buydown?
It is the builder or the assignor paying money up front to lower a mortgage’s interest rate, either permanently or for an introductory period of a year or two.
Are buydowns common in Canada?
Rate buydowns, expressed in basis points, are mainly a US practice, though builders may use them to reduce the mortgage interest rate in Canada. Canadian lenders more often use negotiated discounts or cashback mortgages to a similar end.
What is the difference between a buydown and a cashback mortgage?
A buydown lowers your rate for an upfront cost. A cashback mortgage gives you a lump sum at closing, usually in exchange for a higher rate.
What is a 2-1 buydown?
A temporary buydown in which the rate is cut by 2% in the first year and 1% in the second, then returns to the full rate for the rest of the term.
Is a buydown worth it?
The value of each buydown depends on how long the borrower keeps the original mortgage. You benefit only if the interest saved outweighs the upfront cost before you sell, refinance, or renew.