Decks
Check size / scopeNanaimo requires a permit for a new deck, structural deck repair or deck rebuild. A permit can be avoided only when all published exemption conditions are met, including low height, no roof and no attachment.
Nanaimo, BC
Nanaimo says building permits are required for structural alterations, additions, demolitions, layout changes and specified plumbing changes.
Official sources checked Sep. 24, 2026
Pick the project that matches your work. These are starting rules for Nanaimo; property-specific zoning, heritage and trade approvals can still apply.
Nanaimo requires a permit for a new deck, structural deck repair or deck rebuild. A permit can be avoided only when all published exemption conditions are met, including low height, no roof and no attachment.
Nanaimo requires a building permit for a new detached accessory building such as a garage, shed or workshop over 10 m².
Nanaimo requires permits for structural alterations, additions and layout/use changes; basement work depends on whether those regulated changes are part of the project.
Nanaimo requires a permit for construction of a new secondary suite or upgrading an existing suite.
Nanaimo states that a building permit is required when altering an existing dwelling, including constructing additions.
Nanaimo requires permits for structural alterations and layout/use changes; purely cosmetic interior work does not automatically fall into those categories.
Nanaimo explicitly requires building permits for structural alterations.
Nanaimo requires a permit for construction or installation of a swimming pool.
Nanaimo requires a building permit for detached garages and other standalone accessory buildings over 10 m²; attached or other garage/carport scopes can follow different alteration rules.
Nanaimo requires permits for additions, alterations, relocations or removals of water-supply and drain-waste-vent piping and has separate service permit routes; exact trade requirements depend on scope.
Nanaimo explicitly states that no building permit is required for a fence, although the fence must comply with the Zoning Bylaw.
Nanaimo states that a building permit is generally required when a retaining wall is over 4 feet high, but other factors can change whether a permit is needed.
Nanaimo requires a separate demolition permit for complete demolition of a building or removal of a mobile/prefab home; decks and specified non-structural removals do not require a separate demolition permit.
Use the municipality’s permit office for current forms, fees, drawings and questions about your property.
Use the official permit page to confirm project requirements, forms, fees and the current application process.
Use these official links to confirm the current rule for your Nanaimo property.
Sources checked Sep. 24, 2026. Requirements can change; the municipality makes the final permit decision.
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