Single Detached Dwellings Building Permits

If you are a property owner or builder planning to renovate, add onto or build a new single detached dwelling, you are required to obtain permits. New accessory buildings over 10 square meters, such as a garage, also require permits.


please refer to the guides below

The guides below provide the requirements for each permit type. Please read the appropriate guide and checklist to ensure fulfilment of all requirements prior to the submittal of an application.

New Construction and Additions

Review and complete the forms in the Residential and Accessory Building Permit Application Package prior to permit submission.

Detached Garage and Other Detached Accessory Structures

Detached accessory structures, such as garages, garden sheds, and gazebos, over 10 square meters (108 square feet) in area will require a building permit to construct. Please refer to the Guide for Residential Detached Garage for a full list of required drawings and documents.

Decks and Attached Accessory Structures

For construction or structural alteration to an attached accessory structure, such as a deck, please refer to the Guide for Residential Deck Construction for a full list of required drawings and documents.

Secondary Suites

Please visit the Secondary Suites page for more information, and requirements for installing, legalizing, or decommissioning a Secondary Suite.

Detached Accessory Dwellings (Carriage & Laneway House)

Please visit the Laneway and Carriage Houses page for more information about construction of a new Detached Accessory Dwelling.

Construction in Queensborough

For new construction or additions in Queensborough, please review the additional requirements.

Applying for a Permit

To apply for your building permits, please send all required application documentation and drawings to , or email us at to schedule an appointment to schedule an appointment for your application intake at City Hall.

Please note that documents must be attached as PDF's directly. For larger files that cannot be emailed, please contact us for a link to our FileShare site. We cannot accept documents saved via a cloud based server.

If all requirements are met, Staff will accept the permit application. An application fee must be paid at this time.

Please see Forms & Documentation for ALL handouts AND BULLETINS