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 at every point
- Get the zoning clearance
- Prepare the site and construction drawings
- Apply if the deck exceeds the height threshold
Official sources behind this page
Deck heightPermit required above 60 cm
Caledon lists a deck higher than 24 inches off the ground at any point as permit-required.
Town of CaledonBuilding Permits · Permit triggers, exemptions, zoning clearance and common residential projects
2026-10-02Open proof
Low deckPermit not required at 60 cm or less
A deck with a finished level not more than 60 cm above finished grade at any point is listed as permit-exempt.
Town of CaledonBuilding Permits · Permit triggers, exemptions, zoning clearance and common residential projects
2026-10-02Open proof
Zoning clearanceRequired before the project
Caledon tells applicants to obtain zoning approval or clearance before the start of a new project even where a building permit is not required.
Town of CaledonBuilding Permits · Permit triggers, exemptions, zoning clearance and common residential projects
2026-10-02Open proof
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