Tarion Warranty
The Tarion Warranty protects Ontario new home buyers with coverage for defects, delays, and builder accountability.
September 30, 2025
What is Tarion Warranty?
The Tarion Warranty is Ontario’s mandatory new home warranty program that protects buyers of new construction homes and condos. It provides coverage for construction defects, major structural issues, and delayed closings under the Ontario New Home Warranties Plan Act.
Why Tarion Warranty Matters in Real Estate
The Tarion Warranty matters in real estate because it gives buyers confidence in new builds and protects against costly defects. It ensures builders are accountable for construction quality and timelines.
Example of Tarion Warranty in Action
A new condo owner discovers plumbing defects after moving in. The Tarion Warranty program covers repairs within the warranty period, protecting the buyer from significant costs.
Key Takeaways
- Ontario’s mandatory new home warranty program.
- Protects buyers against defects and delays.
- Ensures builder accountability for quality and timelines.
- Coverage periods vary for different defect types.
- Essential safeguard for buyers of new builds.
Related Terms
- New Home Warranty
- Pre-construction Condo
- Ontario New Home Warranties Plan Act
- Builder Compliance
- Occupancy Period
Canadian respondents were more likely to expect an undersupply of development/redevelopment equity capital (63%) than debt capital (46%) in 2027. These are survey expectations, not measured financing volumes. Source: PwC and ULI, Emerging Trends in Real Estate 2027, pp. 136–137. Original chart.
Toronto census metropolitan area housing starts fell from 37,718 units in 2024 to 26,087 in 2025, a 30.8% decline (rounded to 31%). Starts measure construction begun, not completed homes. Source: CMHC, as cited in PwC and ULI, Emerging Trends in Real Estate 2027, p. 145. Original chart.
Illustrative calculation: a $4.5-million value ceiling versus income-based capacity of about $4.25 million at 4%, $3.62 million at 5% and $3.13 million at 6%. Assumes 50-year amortization and 1.15 debt coverage.
Source: Department of Finance missing-middle backgrounder and Budget 2026 Chapter 3, November 5, 2026. Fiscal-year funding starts are not home-completion dates.
