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

Renderings of the tower proposed for 1394 Robson Street in Vancouver. (Arcadis, Asia Standard Americas)
Renderings of the tower proposed for 1394 Robson Street in Vancouver. (Arcadis, Asia Standard Americas)
Source: CREA Stats XML via HomiesAI.com AI Harness for Realtors
Source: CREA Stats XML via 








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The preliminary proposal for the Lynn Valley Safeway at 1170 E 27th Street in North Vancouver. (Crombie REIT)