Decks
Permit requiredSaguenay’s 2026 permit-obligation sheet lists new balconies, galleries, porches and permanent patios among work requiring a permit.
Saguenay, QC
Building permits in Saguenay
Saguenay directs homeowners to its Info-permis tool to check the regulation that applies to a residential project and whether a permit is required.
Official sources checked Sep. 24, 2026
Permit rules by project
Pick the project that matches your work. These are starting rules for Saguenay; property-specific zoning, heritage and trade approvals can still apply.
Sheds & accessory buildings
Permit requiredSaguenay’s 2026 permit-obligation sheet lists construction, enlargement, installation or relocation of an accessory building among permit-required work.
Basement renovations
Depends on scopeSaguenay requires permits for regulated renovation, repair and transformation work, while minor maintenance/exempt work can follow a different route; basement scope controls the result.
Secondary suites & ADUs
Permit requiredSaguenay’s June 2026 ADU technical sheet directs applicants to complete the City’s construction-permit application and lists the required site and building plans.
Home additions
Permit requiredSaguenay’s 2026 permit-obligation sheet requires a permit for construction, addition and regulated transformation of a principal building.
Interior alterations
Depends on scopeInterior renovation can require a permit depending on the work; Saguenay’s technical material distinguishes regulated renovation/transformation from work that may be exempt.
Walls / structural work
Permit requiredStructural construction or transformation falls within Saguenay’s permit-required building work.
Pools / hot tubs
Permit requiredSaguenay’s 2026 permit-obligation sheet lists pools, spas and associated equipment among work requiring a permit.
Garages / carports
Permit requiredSaguenay’s current technical material routes garages and carports through permit-required accessory-building work.
Plumbing / HVAC
Depends on scopeSaguenay’s current permit sheet regulates several mechanical installations and building alterations; the exact permit path for plumbing/HVAC depends on equipment and scope.
Fences
Depends on scopeSaguenay lists an ordinary fence at a dwelling of four units or fewer among work that can avoid a permit, but PIIA/heritage and other property-specific conditions can override that exemption.
Retaining walls
Check size / scopeSaguenay requires a permit for a retaining wall more than 1.2 m high. Lower walls can be exempt for qualifying low-density residential properties, subject to PIIA/heritage and other overlays.
Demolition
Permit requiredSaguenay’s 2026 permit-obligation sheet lists demolition of principal and accessory buildings among permit-required work.
Apply or ask Saguenay
Use the municipality’s permit office for current forms, fees, drawings and questions about your property.
Your application route
Open the official permit page ↗Use the official permit page to confirm project requirements, forms, fees and the current application process.
Good to know in Saguenay
- The same tool is used to identify required documents and to submit a permit application online.
- Quebec municipalities can organize residential approvals differently, with Montréal adding borough-level variation. Confirm the exact permit, certificate, declaration and trade requirements for the project.
Official sources
Use these official links to confirm the current rule for your Saguenay property.
View 2 official sources
Sources checked Sep. 24, 2026. Requirements can change; the municipality makes the final permit decision.
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