Canada is sitting on a condo supply glut that is reshaping the rental market in real time. The wave of units that were bought at peak prices in 2021 and 2022, built over the following three years, and are now completing into a market with softer demand and falling rents has created conditions that look very different depending on which side of the transaction you are on.
For renters, it is the best market in a decade. For investors who own existing rental properties, the picture is more nuanced. The supply glut creates near-term headwinds on rent and vacancy, but it also sets up a medium-term dynamic that most commentators are not talking about clearly.
This post maps what is actually happening in the condo supply cycle, which investor types are most exposed, and what the supply constraint coming in 2027 and beyond means for investors who can hold through the current softness.
How the Glut Was Created
The oversupply story starts in 2020 and 2021, when record-low interest rates and surging demand for housing drove a wave of pre-construction condo purchases across Toronto, Vancouver, and other major markets. Developers sold out projects quickly and broke ground on an unprecedented volume of new units. Those units take three to four years to complete, which means the bulk of that supply is arriving now, in 2025 and 2026.
At the same time, the demand environment that justified those purchases has changed dramatically. Immigration levels have been cut. International students, who occupied a disproportionate share of small condo rentals, have declined in number. The employment base in some trade-exposed cities has softened. Demand that was absorbing new supply comfortably in 2022 and 2023 is no longer keeping pace with completions.
The result is a market where landlords in newer buildings are competing aggressively for a smaller pool of tenants. Over 148,000 new dwellings were added to major Canadian cities in the first three quarters of 2025 alone, including tens of thousands of investor-owned condos entering the rental pool simultaneously. Vacancy in newer condo-rental segments in Toronto has climbed above 6% in some buildings, and landlords are offering one to two months of free rent to fill units that would have leased in days two years ago.
The Near-Term Impact on Existing Rental Property Owners
Rent Competition From New Supply
The most direct effect for existing landlords is downward pressure on achievable rents. When a newer building two blocks away is offering a one-bedroom at $1,950 with a month of free rent, your older building at $2,100 faces a real competitive problem. Tenants who are price-sensitive will move. Tenants who are renewing will negotiate. The effective market rent for a unit is being set by the most desperate competitor in the submarket, not the average landlord.
This effect is strongest in segments with the most new supply: small one-bedroom and studio condos in Toronto's downtown and midtown corridors, and purpose-built rental buildings in Vancouver's suburban markets where construction has been concentrated. It is less acute in older low-rise residential stock, larger family-sized units, and markets where the new supply pipeline was more modest.
Longer Re-Lease Periods
Vacancy periods that were measured in days are now measured in weeks. Investors who modeled 2 to 3% vacancy in their original underwriting are experiencing 6 to 8% effective vacancy when re-lease periods and incentives are properly accounted for. A unit that sits vacant for six weeks between tenants, plus one month of free rent offered as an incentive, represents roughly 15% of annual rental income lost before expenses.
For properties with thin margins at full occupancy, this is the variable that turns a barely-positive deal into a cash-flow-negative one. Running your current properties through a realistic vacancy assumption, rather than the historical 2% that no longer reflects market conditions, is an important exercise right now.
Rent Growth Assumptions That No Longer Hold
Long-term projections built during the 2021 to 2023 period often assumed 4 to 6% annual rent growth based on recent history. That assumption is not supportable in the current supply environment. Flat to slightly negative rent growth in the near term is the realistic base case for most major urban condo markets, with modest positive growth resuming only as the supply glut clears and demand recovers.
Investors using Rental Analyst's 30-year projection tool should update their rent growth assumptions to reflect current market conditions rather than running on defaults set during a different market cycle. The difference between 5% and 2% annual rent growth compounds dramatically over a 20-year hold period and produces a materially different retirement outcome.
Which Investor Types Are Most Exposed
| Investor Profile | Exposure Level | Primary Risk |
|---|---|---|
| Pre-construction condo closing now | Very high | Closing into negative cash flow, potential appraisal gap |
| Condo investor, high leverage, renewing soon | High | Rate shock plus falling rent simultaneously |
| Condo investor, low leverage, long hold | Moderate | Near-term income softness, can absorb and hold |
| Low-rise residential, older stock | Lower | Less direct competition from new condo supply |
| Purpose-built rental, strong location | Lower | Longer leases, tenant stability insulates near-term |
| Alberta markets (Calgary, Edmonton) | Lower | Less condo supply overhang, stronger yield base |
The Medium-Term Case That Most People Are Missing
The supply glut creates real near-term pain, but it also sets up a structural dynamic that works in favour of investors who hold through it. Here is the part of the story that the bearish headlines are not telling.
The development pipeline has collapsed. Toronto condo starts fell dramatically in 2024 and 2025 as developers could not make project economics work at current construction costs, land prices, and development charges. Purpose-built rental construction has partly filled that gap, but not enough to replace the volume of ownership housing that was being built. The units that are not starting construction today will not be completing in 2027, 2028, and 2029.
When demand recovers, whether through an immigration policy reversal, renewed population growth, or a recovery in household formation as affordability improves, it will hit a market with significantly less new supply than anyone expected two years ago. The current glut is a temporary condition created by a single cohort of supply arriving simultaneously. The structural supply shortage that drove 2021 to 2023 rents is being rebuilt right now through the collapse of the construction pipeline.
Investors who bought existing stock at distressed prices during the glut period and held through to the supply-constrained recovery are positioned for the same demand surge dynamic that played out in the post-pandemic period, starting from a lower acquisition cost. The challenge, as always, is having the financial resilience to hold through 18 to 36 months of softer conditions without being forced out.
What to Do With an Existing Condo in the Glut
If you own a condo that is currently cash-flow-negative or marginally positive, the decision framework comes down to three variables: how long can you carry the gap, what does the exit look like if you sell now versus in three to five years, and what does your mortgage renewal picture look like.
Selling now means crystallizing a loss in a buyer's market into a smaller pool of investors who are also aware of the challenges. If you have a renewal coming at a materially higher rate and the combined cash flow impact of lower rents plus a higher payment is not sustainable, selling before renewal is worth modeling seriously. If your mortgage is locked in at a manageable rate for another two to three years and your reserves can cover the gap, holding through to the supply-constrained recovery is often the better outcome.
The hold vs sell vs refinance analysis on your specific property, using actual current rent, your real renewal rate, and a conservative rent growth assumption, is the right starting point. See our hold, sell, or refinance guide for a complete walkthrough of how to run that analysis on your own numbers.
What to Look for If You Are Buying Into the Glut
Distressed pricing creates opportunities, but only in the right assets. The condos worth buying in a supply glut are not the newest buildings with the highest amenity packages and the thinnest walls between units competing for the same pool of tenants. They are properties with genuine locational advantages, lower condo fees relative to rent, and physical characteristics that will remain competitive when the market tightens again.
Older well-located low-rise buildings, duplexes and triplexes in established neighbourhoods, and purpose-built rental units in supply-constrained submarkets hold up better through a condo supply glut than the investor-owned high-rise condo segment that is most directly affected by the current wave of completions.
Before making any offer, run the deal at today's actual market rent for comparable units in that specific building and neighbourhood, not the asking rent the seller quotes or the peak rent the unit achieved in 2023. The deal needs to be survivable at current conditions, not dependent on a recovery that has not happened yet.
Run the numbers at today's rents, not peak assumptions
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This post is for informational purposes only and does not constitute financial, legal, mortgage, or tax advice. Market conditions, vacancy rates, and rent levels referenced reflect publicly available data as of June 2026 and vary significantly by submarket. Verify current conditions independently before making any investment decision. Consult a qualified professional before buying, selling, or refinancing any investment property.