Deck Cost by Material (Per Square Foot, Installed)

In Ontario, any deck over 10 square metres (108 square feet) or attached to the house requires a building permit. Most decks require a permit. The permit review process takes 10–30 business days depending on your municipality. Your contractor should handle permit filing as part of the project.

Typical Total Deck Costs by Size

In Ontario, any deck over 10 square metres (108 square feet) or attached to the house requires a building permit. Most decks require a permit. The permit review process takes 10–30 business days depending on your municipality. Your contractor should handle permit filing as part of the project.

Cost Add-Ons That Affect the Total

In Ontario, any deck over 10 square metres (108 square feet) or attached to the house requires a building permit. Most decks require a permit. The permit review process takes 10–30 business days depending on your municipality. Your contractor should handle permit filing as part of the project.

Ontario Permit Requirements for Decks

In Ontario, any deck over 10 square metres (108 square feet) or attached to the house requires a building permit. Most decks require a permit. The permit review process takes 10–30 business days depending on your municipality. Your contractor should handle permit filing as part of the project.

Deck Building Cost Ontario 2026 | Pricing

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