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
- Measure deck height above grade
- Check zoning and site conditions
- Prepare the deck plans
- Submit through the Residential Deck application type
Official sources behind this page
Whitby lists decks greater than 24 inches above grade among typical permit-required projects.
Whitby accepts Residential Deck permit applications through its E-Portal.
Building-permit approval remains subject to applicable zoning and property-specific requirements.
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