Toronto Office Market 2026:

The downtown core pivots to recovery, while the suburbs search for a new identity.

As we enter 2026, the narrative surrounding Toronto’s office market has shifted from “crisis” to “stabilization.” After years of record-high vacancy following the pandemic, late 2025 marked a crucial turning point: for the first time in nearly five years, downtown vacancy rates began to tick downward.

However, the recovery is uneven. The market is currently defined by a sharp divide between the bustling Financial Core and the struggling suburban nodes—a trend industry analysts are calling “The Great Bifurcation.”

1. Downtown Core: The Return of the Power Suit

The most significant story of early 2026 is the revitalization of the Financial District (Bay Street corridor).

• The “Big 5” Catalyst: The aggressive Return-to-Office (RTO) mandates enforced by Canada’s major banks in late 2025 acted as a massive adrenaline shot for the downtown market. With the banking sector comprising a massive share of downtown occupancy, their physical return has revitalized the PATH system and surrounding retail.

• Trophy Asset Tightening: We are seeing a distinct “Flight to Quality.” Tenants are shedding square footage but upgrading the quality of that space.

  • Vacancy: While overall downtown vacancy hovers around 13.5%, vacancy in “Trophy” class buildings (like CIBC Square, Brookfield Place, TD Centre) is significantly tighter, dropping below 8% in some towers.

  • Rents: Landlords of AAA buildings have regained pricing power. Net asking rents for Trophy space have climbed back toward $36–$49 PSF (per square foot), while Class B buildings struggle to maintain rates in the low $20s.

• New Supply Constraint: With CIBC Square Phase 2 being the last major office tower delivery on the immediate horizon, the lack of new construction starts suggests a supply crunch could emerge for premium space by 2027/2028.

2. The Suburban Markets (The “905”): A Struggle for Relevance

While downtown recovers, the suburban markets (Mississauga, Markham, Vaughan) face a more stubborn reality.

• Sticky Vacancy: Suburban vacancy rates remain elevated, hovering near 20–21% across the GTA. The commute remains a friction point; employees willing to commute generally want the “experience” of downtown, whereas a commute to a suburban office park offers fewer amenities.

• Negative Absorption: Unlike the downtown core, which saw positive net absorption (more space leased than vacated) in late 2025, parts of the 905 belt—specifically Toronto West and North—continued to see negative absorption.

• The Exception: Transit-linked hubs. Suburban offices directly connected to GO Train stations or the new subway extensions are outperforming “car-dependent” office parks.

3. The “Obsolescence” Crisis (Class B & C)

The most dangerous place to be in the Toronto market in 2026 is owning a Class B or C building that is not transit-oriented.

• The “Brown Discount”: Older buildings with poor ventilation, low ceilings, and heavy carbon footprints are trading at massive discounts. Tenants seeking to meet their own ESG (Environmental, Social, and Governance) mandates effectively refuse to lease these buildings.

• Conversion Reality: While “office-to-residential” conversion is the hot topic of city planning, the economic reality is difficult.

  • Success Stories: We are seeing some older buildings (particularly in Midtown and fringe downtown) successfully apply for conversion.

  • The Hurdle: For many buildings with large floor plates (deep interiors with no windows), conversion is structurally impossible without demolition. Expect 2026 to be the year of “demolition for redevelopment” rather than simple retrofitting.

4. Key Data Snapshot (Early 2026 Estimates)

5. Outlook for the Remainder of 2026

• The Sublease Burn-Off: The massive glut of sublease space (tenants trying to offload their own leases) that plagued 2023/2024 has largely “burned off.” Much of that space has either been re-absorbed by the original tenant or the leases have expired. This normalizes the market and forces tenants to deal directly with landlords again.

• The “Amenity Arms Race”: Landlords in older Class A buildings are spending heavily on renovations—adding gyms, golf simulators, and conference centers—to compete with the new Trophy towers.

• Tech Sector Stabilization: After the “tech wreck” of leasing in 2023, Toronto’s tech sector (focused heavily in the King/Spadina “Brick and Beam” districts) has stabilized. AI companies are beginning to take up the slack left by previous consolidations.

Summary for Investors/Tenants

• If you are a Tenant: The window to get a “steal” on a lease in a prime downtown tower is closing. In the suburbs, however, it remains a tenant’s market with aggressive inducements (free rent, tenant improvement allowances) available.

• If you are an Investor: Value-add opportunities exist in upgrading well-located Class B buildings to “A-” status. Avoid commodity suburban office parks unless they are slated for residential rezoning.