Toronto, Ontario
Does your project
need a permit?
Start with your project. Get the general rule, a document checklist and the City source. Property zoning remains a separate check.
Interior alteration
Use the interior alterations route when proposed work in a small residential building needs a building permit.
Read the guide02Garage / carport
Toronto has a dedicated permit application route for a garage or carport accessory to a house.
Read the guide03Basement underpinning
Underpinning an existing house foundation requires a building permit.
Read the guide04Basement apartment / secondary suite
Adding a second dwelling unit in an existing house follows Toronto’s secondary suite building permit route.
Read the guide05Garden suite
A new garden suite follows a dedicated Toronto building permit route.
Read the guide06Deck
A permit is required when a deck is more than 60 cm (24 in) above ground. Some lower uncovered platforms can be exempt if all conditions are met.
Read the guide07Basement renovation
It depends on what you change, not simply on the fact that the work is in a basement.
Read the guide08Shed / accessory structure
Sometimes. Size and construction can change the permit question, while zoning can still control placement even when a permit is not required.
Read the guide09Fence
Fence rules are driven more by height, location and lot context than by a standard building-permit flow.
Read the guide10Home addition
A home addition generally requires formal review, and zoning can determine whether the proposed size and placement are permitted.
Read the guideCosts, records & next steps
The questions around the permit.
Estimate selected permit fees
2026 City rates, with the calculation visible.
Find building records
Know which City service to use.
Check application status
Understand the status before your next step.
Prepare an application
Follow a clear submission sequence.
Work already started?
Understand the next steps if a permit was missed.