Toronto Building Permit Requirements | Complete Guide
A Toronto building permit is the City’s approval to build, add to, demolish, or materially alter a structure under Ontario’s Building Code Act
A Toronto building permit is the City’s approval to build, add to, demolish, or materially alter a structure under Ontario’s Building Code Act
A second storey addition on a bungalow typically costs $375 to $550 per square foot in Ontario in 2026, and $400 to $700+ in Toronto and the GTA.
A 2nd-floor addition permit in Toronto costs $18.56 per square metre plus a $214.79 base fee, with the first review targeted at 10 business days. Most zoning-compliant projects reach permit issuance in 6 to 12 weeks.
Building permit cost in Ontario ranges from $1,800 to $8,000+ for a typical residential project in 2026, depending on your municipality and project scope. Toronto charges a base fee plus $16.60 per square metre of new floor area.