Skip to content
Permits and Zoning

Interior renovations

A permit may be required depending on the type of interior renovation.

Repair or renovations (painting, electrical, plumbing or heating, etc.) that do not involve partitions or walls

No permit is required.
If in doubt, please contact us.

Work involving the addition, modification or removal of a division or wall

A permit is required.
To obtain it, simply submit a plan (can be hand-drawn) illustrating the conditions prior to the work and the projected work.


By email:

Send your application with a plan of the projected work to

In person:

Bring the plan of the projected work to the Division inspection et permis, at City Hall, where your application will be processed.

City Hall
5, boulevard D’Youville

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.

The Ville de Châteauguay website is not compatible with Internet Explorer 11 and earlier. For the optimal browsing experience, please update your browser using the free download options for Microsoft Edge and Google Chrome.