How to legally add a basement apartment in Ontario, plus available grants and financing.
Free quick-reference guides (PDF, courtesy of TRREB). Save or print for easy reference.
⬇ Provincial Guide on Second Units (PDF) ⬇ Second Suites in Toronto — Q&A (PDF)Ontario actively encourages second units (basement apartments). As-of-right rules let most homes add a second unit, subject to local zoning, fire and building code. Some regions offer forgivable loans (e.g. Ontario Renovates) to create affordable units.
| ✓ Detached, semi or townhouse permitting a second unit |
| ✓ Compliance with fire code, building code and zoning |
| ✓ Region-specific income limits for grant programs |
| ★ Rental income to offset your mortgage |
| ★ Some regions offer forgivable loans (Ontario Renovates) |
| ★ Increases property value |
| → Verify zoning + second-unit rules with your city |
| → Obtain building permits and pass inspections |
| → Register the unit where required |
Common questions about this program.
Generally yes — most homes can add a second unit, but it must meet zoning, building and fire code to be legal.
Contact Tej Thakor, Broker of Record at Royal LePage Terra Realty, for professional real estate guidance across the GTA and surrounding areas — in English, Hindi & Gujarati.
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