Building permits in Longueuil

Longueuil’s online permit portal lists construction or modification of balconies, galleries, porches and other platforms at all published height bands as permit/certificate application work.

Longueuil’s online portal lists installation, construction or modification of a shed, pavilion or greenhouse as permit/certificate application work.

Longueuil’s portal distinguishes interior renovation routes with and without basement plumbing, so the exact permit path depends on scope.

Longueuil provides property/project-specific residential application routing; does not force a single citywide secondary-suite outcome without the applicable zoning and dwelling context.

Longueuil’s permit portal lists an addition to a principal building as permit/certificate application work.

Longueuil requires permits/certificates for regulated renovation and transformation work, while repair or maintenance that does not change dimensions, form or architectural characteristics can be exempt outside listed exceptions.

Longueuil’s permit portal covers transformation and renovation work; structural scope requires municipal review rather than being treated as simple repair.

Longueuil’s online portal lists construction, installation or replacement of in-ground and above-ground/demountable pools as permit/certificate application work.

Longueuil’s current residential permit portal includes detached garages and permanent carports among permit/certificate work.

Longueuil’s portal separates renovation paths based on plumbing work, and under-slab plumbing/electrical work is specifically excluded from the ordinary repair exemption.

Longueuil requires a permit/certificate for non-residential fences and fences in cited heritage sites, while ordinary residential rear/side-yard fencing is treated differently; pool fences have their own route.

Longueuil’s current permit portal routes site work and fill/excavation through municipal review, but the current City information does not give one retaining-wall height-only permit rule. Confirm the property-specific path.

Longueuil’s online portal provides permit/certificate application routes for demolition of principal and accessory buildings, with additional demolition-committee review where applicable.