Accessory dwelling units (ADU)
The Quebec Homeowner's Guide to ADUs, Bi-Generation & Backyard Tiny Homes & coach houses
...PIIA
This is the biggest hurdle specific to Quebec. You cannot simply apply for a building permit; you often have to pass an architectural review first.
The PIIA factor
Many municipalities in Quebec use a mechanism called the PIIA (Plan d'implantation et d'intégration architecturale). This is a qualitative evaluation o...
