Building permit plans in Mille-Isles
Mille-Isles is a municipality of lakes and forests where vacation properties sit alongside permanent homes.
Municipality · MRC d'Argenteuil
What we check
Before we draw in Mille-Isles
Lake shoreline buffer
Near a lake, the distance from the shore is the first constraint: it determines where the house can be sited.
Sloped lots
On uneven ground, foundations and drainage call for more detailed plans.
Seasonal or permanent
Moving from a cottage to a main residence must be planned for from the start of the plans.
Common projects
What we draw in Mille-Isles
- Cottage or home near a lake
- Home addition with a covered terrace
- Shed and shelter for water sports equipment
Questions about permits in Mille-Isles
Who issues the permit in Mille-Isles?
The urban planning department of Mille-Isles. We prepare the plans the municipality requires, check its bylaws with you, and support you through the submission.
Do you work in Mille-Isles even though your office is in Lachute?
Yes. We draw plans anywhere in Quebec: conversations happen remotely, and we agree with you on travel when the survey of the existing building calls for it.

