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Legal Basement Apartment Requirements in Durham, Ontario: Complete 2026 Checklist
Akash Patel Akash Patel

Legal Basement Apartment Requirements in Durham, Ontario: Complete 2026 Checklist

A legal basement apartment in Durham Region must meet Ontario Building Code requirements for ceiling height (min. 6'5"), egress windows, fire separation, interconnected smoke/CO alarms, and independent heating and ventilation. Each Durham municipality,  Whitby, Oshawa, Ajax, Pickering, and Clarington,  also has its own zoning bylaws and parking requirements. A building permit is mandatory. Without it, your unit is illegal, and your insurance is void.

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