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About Building Permits

A building permit is your formal permission to begin the construction, demolition, addition or renovation on your property.

As part of the building permit process, Toronto Building staff must review your plans to ensure they comply with the Ontario Building Code, local Zoning Bylaws, and other Applicable Law.

Building permits regulate the type of construction allowed in a community and ensure that minimum building standards are met. The permit process protects the owner’s interests, the community, and helps to ensure that any new construction is appropriate and safe.

Building and Renovating in Toronto

When do I need a building permit?

Under the Building Code Act, a building permit is required for the construction and/or demolition of a new building, an addition, or material alteration of any building or structure. The following is a list of common projects that require or do not require a building permit:

Applying for a Building Permit

Building Permit Review Streams

Building permit applications can be made through either "complete" or "incomplete" application streams. Learn what must be submitted for it to be considered complete, and the time frames for these applications.

Apply for a Preliminary Zoning Review

Learn how to apply for one of three Preliminary Zoning Review Programs to determine what Zoning or Applicable Law requirements apply to your project before you make an application for a building permit.

Building Regulations

Your application will be reviewed for compliance with the Ontario Building Code, the Zoning Bylaw, and Applicable Law.

Plan Review Process

Find out what happens after you submit your permit application to Toronto Building.

Service Levels

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Service Levels

Toronto Building has the following service levels for it's services