Permit guideWhitchurch-StouffvilleBuilding PermitsDecks & Porches
Deck and porch permits
You need a building permit for a deck or porch more than 600 mm (≈ 1 ft 11⅝ in) above the ground.
Check whether you need a permit
- A deck or porch more than 600 mm (≈ 1 ft 11⅝ in) above the ground needs a building permit.
Under 600 mm: no building permitIf you are building a wooden deck that is less than 600 mm (≈ 1 ft 11⅝ in) above ground, you don’t need a building permit. However, you still need to call Ontario One Call before you dig and get approval from:
- Toronto and Region Conservation Authority (TRCA) or Lake Simcoe Region Conservation Authority (LSRCA) if your shed is near or on flood prone land
- A condo board if your property is not free-hold
- A builder or developer if your subdivision is unassumed
- The Ministry of Transportation (MTO) if your property touches a provincial highway
Prepare your plans0 of 6
You need to include the following plans in your application package:
You need an account to see these 6 items.It’s free. Use Sign in at the top of the page to create one, then tick the items off on any device and print them as a checklist.
Complete the forms3
Submit your application
- Online, through the Town's Permit Portal
- Or by email
- Fast Track Program
Pay the fee
- $1.80 per square foot (≈ $19.38 per m²)
- $220 minimum
- Cash, cheque or debit
Written from Whitchurch-Stouffville’s own pages as published on 16 October 2026. The municipality decides what a permit needs: confirm with it before you apply. Legal notice