Project template
Your preparation checklist
Use it as a working list. The final submission still needs to match your actual scope and the City’s current requirements.
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What to do next
- Confirm whether the deck is attached
- Measure deck area and height above grade
- Check property-line setbacks
- Prepare fully dimensioned drawings if a permit is required
Official sources behind this page
Vaughan states that a deck or porch attached to a building requires a building permit.
The published exemption is for an uncovered detached deck up to 18.6 m², not exceeding 0.6 m above grade.
Vaughan notes that even permit-exempt decks must comply with the Zoning By-law, including setbacks.
Need the full project answer?
The main guide keeps the permit trigger, zoning questions, documents, fees, timing and next steps together.
Open the deck guide