Pick the project that matches your work. These are starting rules for Saint John; property-specific zoning, heritage and trade approvals can still apply.
Decks
Confirm with cityA Saint John deck can raise permit questions around height, attachment, guards, stairs, structural changes and whether the deck is covered; with the official Saint John page below providing the local forms, thresholds and drawing requirements.
Sheds & accessory buildings
Confirm with cityFor a shed or accessory building in Saint John, size, use, plumbing, attachment, height and zoning setbacks are the common approval variables; with the linked Saint John municipal page providing the final project-specific check.
Basement renovations
Confirm with cityFor a basement project in Saint John, simple finishing can follow a different path from structural work, new plumbing, a new entrance, underpinning or creating a dwelling unit; confirm the project against the official Saint John information linked below.
Secondary suites & ADUs
Confirm with cityFor suites in Saint John, the planning checklist usually includes zoning, building-code issues, fire/life-safety, egress and trade work; with the official Saint John page below providing the local forms, thresholds and drawing requirements.
Home additions
Confirm with cityThe usual approval questions for a Saint John addition include zoning, the altered footprint or floor area, drawings and structural review; with the linked Saint John municipal page providing the final project-specific check.
Interior alterations
Confirm with cityInterior permit requirements in Saint John can change when a project affects walls, occupancy, exits, fire separations, plumbing or structural elements rather than finishes alone; with the Saint John municipal link below serving as the final check before work starts.
Walls / structural work
Confirm with cityStructural work in Saint John can include changes to load-bearing walls, openings, framing, foundations or load paths, all of which may require building review; use the linked Saint John source to confirm what applies to this property and scope.
Pools / hot tubs
Confirm with cityFor a Saint John pool or hot tub, do not look only at the installation; enclosure, zoning, grading and setbacks can also affect the project; with the official Saint John page below providing the local forms, thresholds and drawing requirements.
Garages / carports
Confirm with cityWhen planning a Saint John garage or carport, verify size, attachment to the home, lot setbacks, any plumbing and the structural design; use the linked Saint John source to confirm what applies to this property and scope.
Plumbing / HVAC
Confirm with cityPlumbing and HVAC work in Saint John may need its own approval route for drainage, heating, ventilation or related trade work; the current local path should be verified through Saint John’s municipal source below.
Fences
Confirm with citySaint John states that fences up to 2 m high do not require a permit, while taller fences may require a variance.
Retaining walls
Check size / scopeSaint John states that a retaining wall greater than 1 m requires a permit and engineered drawings; work under 1 m is treated as landscaping.
Demolition
Check size / scopeSaint John requires a demolition permit for a building or structure larger than 108 sq ft (10 m²).