Apply for a Building Permit

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 By-laws and other Applicable Law.

When do I Need a Building Permit?

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.

How to Apply for a Building Permit

Learn what drawings, documents and forms are required for each type of application.

Adding New Units on Your Property

Guides and initiatives for adding additional residential units on your property.

Express Services

Learn about the transformation of Toronto Building's service delivery model starting with our Express Services pilot in January 2023

Building Permit Review Streams

Learn about the House, Small Building and Large & Complex Building review streams and the timelines that apply.

Plan Review Process

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

Conditional Permit Applications

Typically used for large development applications to permit construction where there is outstanding applicable law which would result in an unreasonable delay in construction

Pre-Approved Plans

Learn about our "Made-in-Toronto" Pre-Approved Plans for Alternative Dwelling Units.