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Permits and Zoning


A permit is required to build or install a shed or garden shed.

  1. Complete the application form for a permit to build an accessory building (PDF).
  2. Draw the site plan of the shed. This document must:
    • show the intended location of the shed on your property;
    • indicate the distances from the shed to the property lines and to other buildings and structures.

This plan can be drawn by hand from a copy of your certificate of location.

  1. Bring all required documents to the Division inspection et permis, at City Hall, where your application will be processed.

City Hall
5, Boulevard d’Youville

Conditions of issuance

In order for a shed to be built on a lot, a residence must already be located there.




Same day, if:

  • required documentation is complete;
  • project submitted is in compliance with the by-laws.

The construction work must be:

  • started within 6 months of the permit being issued. If the work has not been started within this period, a new permit application must be made.
  • completed within 12 months following the issuance of the permit.

Different by-laws apply to sheds depending on the number of residential units in the dwelling:

  • dwelling with 3 units or fewer;
  • dwelling with 4 units or more.

Refer to the by-laws.

Do you need further details? Contact us!

  • By sending an email to :

  • By calling :

    450 698-3000

    From Monday to Thursday, 8:30 a.m. to noon and 1:15 p.m. to 5:00 p.m.
    Friday, 8:30 a.m. to noon

  • You can come to the reception desk at City Hall located at 5 Boulevard D’Youville .

    From Monday to Thursday, 8:30 a.m. to noon and 1:15 p.m. to 5:00 p.m.
    Friday, 8:30 a.m. to noon


The texts and administrative codifications presented on this site do not replace the official by-laws of Ville de Châteauguay. They have no official weight. Although we make every effort to ensure that all the information is accurate and complete, we cannot guarantee its integrity, or that the information is current or accurate. In case of a discrepancy between the official text and the information published on this site, the official text always takes precedence. Ville de Châteauguay cannot be held responsible for errors or omissions of any nature on the site.

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