Buy-Down Mortgage
Understand buy-down mortgages in Canadian real estate — how they work, their benefits, and when they’re used.

July 27, 2025
What is a Buy-Down Mortgage?
A buy-down mortgage is a loan where the interest rate is temporarily or permanently reduced through upfront payments made by the borrower or a third party.
Why Buy-Down Mortgages Matter in Real Estate
In Canadian real estate financing, buy-downs can make homeownership more affordable in the early years or help sellers/investors incentivize purchases.
Types:
- Temporary (e.g., 3-2-1 buy-down)
- Permanent (lower rate for full term)
Understanding buy-down mortgages helps buyers assess cost-benefit and long-term affordability.
Example of a Buy-Down Mortgage in Action
The builder offered a buy-down mortgage incentive, covering points to lower the buyer’s interest rate for the first three years.
Key Takeaways
- Interest rate lowered via upfront payment
- May be temporary or permanent
- Used to improve affordability
- Often funded by builders or sellers
- Requires cost-benefit analysis
Related Terms
- Fixed Rate Mortgage
- Adjustable-Rate Mortgage (ARM)
- Mortgage Broker
- Refinance
- Mortgage Term

A rendering of the EverHome project. (The Sher Corporation)

























September residential sales, not seasonally adjusted; the annual comparison uses CREA’s revised figures. Chart:
Annual changes in the unadjusted national MLS® HPI and average sale price. The average is affected by the mix of transactions. Chart:
Seasonally adjusted residential months of inventory by province. Local property types can differ substantially. Chart:
Ontario and B.C. are the two provinces with forecast annual average-price declines in 2026. Chart:
Annual average transaction prices in Canadian dollars. Forecast values are not December price targets. Chart:
Five-year changes in seasonally adjusted composite MLS® HPI benchmarks, September 2021 to September 2026. Chart: 
The original proposal (left) and current proposal (right) for 7115 Yonge Street and 8-14 Grandview Avenue in Markam. (Arcadis)