Blind Bidding
Explore what blind bidding means in Canadian real estate, how it affects buyers and sellers, and why it’s a controversial practice in hot housing markets.

May 22, 2025
What is Blind Bidding?
Blind bidding is a real estate practice where buyers submit offers without knowing the details of competing bids, often resulting in higher sale prices and reduced transparency.
Why Blind Bidding Matters in Real Estate
Blind bidding plays a significant role in competitive Canadian housing markets, especially in hot urban centers like Toronto and Vancouver. Under this system, buyers submit their best offer on a property without access to any information about other bids—such as price, conditions, or timing.
This lack of transparency can lead to inflated home prices as buyers attempt to outguess their competition, often by offering well above asking price or removing protective conditions like financing and inspections. Sellers benefit from this upward pressure on price, but buyers face the risk of overpaying or making emotionally charged decisions.
Blind bidding has sparked national debate, with critics arguing that it contributes to housing unaffordability and market volatility. In response, some provinces have considered or proposed alternatives such as open bidding systems or auction-style formats to increase transparency and fairness.
Understanding blind bidding helps buyers make informed decisions, prepare competitive offers within budget, and recognize when to walk away. It's also essential for sellers and agents to understand the legal and ethical responsibilities involved in handling multiple offers within this system.
Example of Blind Bidding
A buyer in Ottawa submits a $750,000 offer on a home listed at $699,000. They have no knowledge of competing bids and later discover the winning offer was only $710,000—suggesting they may have overbid significantly.
Key Takeaways
- Involves making an offer without knowledge of other bids.
- Common in competitive Canadian real estate markets.
- Can drive up prices and pressure buyers to waive conditions.
- Controversial due to its lack of transparency.
- Alternatives like open bidding are being explored by regulators.
Related Terms
- Bidding War
- Sellers' Market
- Buyer’s Agent
- Firm Offer
- Conditional Offer

National average resale-price growth and housing-starts growth, smoothed over three months. The comparison illustrates the cycle; it does not establish how much a price change causes construction to change.
Trailing 12-month starts in centres of 50,000 or more remove the usual monthly seasonality. Ownership combines the homeowner and condominium categories; rental is shown separately.
Six-month averages of provincial starts, expressed at annual rates. The smoothing reduces the influence of individual apartment projects.
The same August benchmark compared with two different starting points. Three-month changes are not annualized.
Average sale prices show the difference in purchase costs across markets. They do not measure affordability relative to local incomes or construction costs.
Newfoundland and Labrador remains above its pre-pandemic sales pattern, but August activity was below last year. Historical lines retain their original release vintages.









Average and median describe different aspects of the same month’s transactions. Both are affected by the mix of homes sold.
Category averages compare different homes and locations; the gaps are not estimates of the cost to upgrade an otherwise identical property.
The five categories shown account for 5,000 of the board’s 5,057 sales. The remaining 57 transactions were in other housing categories.
Monthly observations are not seasonally adjusted. Active listings count properties available at month-end; they are not construction inventory.
Average and median prices share one dollar axis. These unadjusted transaction measures do not control for changes in the homes sold.
TRREB’s 416/905 categories compare the apartments sold in each area. The difference does not isolate a location premium for equivalent units.

5680 Oak Street in Vancouver and its surrounding context. (MCMP Architects)
Ground-level renderings of the tower proposed for 5680 Oak Street in Vancouver. (MCMP Architects)