Toronto Building Permits for Decks & Fences: Complete Guide

Why Building Permits Matter

Building permits ensure your deck or fence meets Ontario Building Code requirements for safety and structural integrity. Unpermitted work can result in:

• Fines up to $25,000
• Forced removal of structure
• Issues selling your home
• Insurance claim denials
• Liability for injuries

When Do You Need a Permit?

Deck Permits

Permit Required:

• Deck attached to house (any height)
• Deck more than 24 inches (60 cm) above grade
• Deck over 10 square meters in some areas
• Deck with roof or pergola attachment
• Second-story decks or balconies

Permit NOT Required:

• Freestanding deck less than 24" above grade
• Deck under 10 sq meters (some municipalities)
• Simple repairs to existing permitted deck

Fence Permits

Permit Required:

• Fence over 2 meters (6'6") in rear/side yard
• Fence over 1 meter (3'3") in front yard
• Retaining walls over 1 meter
• Pool enclosure fencing
• Fences in easements

Permit NOT Required:

• Standard 6-foot privacy fence (rear/side)
• Decorative front fence under 1 meter
• Replacing existing fence (same location/height)

GTA Municipality Differences

Toronto

• Most stringent requirements
• Online application available
• Permit fee: $198 minimum + per sq meter
• Processing: 10-20 business days

Mississauga

• Similar to Toronto
• Permit fee: Starting at $175
• Processing: 10-15 business days

Vaughan

• Deck permit required over 24" or attached
• Permit fee: Starting at $150
• Processing: 10-20 business days

Markham

• Permit required for most decks
• Site plan may be required
• Processing: 15-20 business days

Other GTA Cities

Requirements vary—always check with your local building department.

The Permit Application Process

Step 1: Gather Documents

• Property survey
• Site plan showing deck/fence location
• Construction drawings (dimensions, heights)
• Structural details (for larger decks)
• Product specifications

Step 2: Submit Application

Online: Most municipalities offer online portals In-Person: Local building department

Step 3: Pay Fees

Typical costs:

• Decks: $200-600 depending on size
• Fences: $100-300 if required
• Engineering review: Additional if complex

Step 4: Await Approval

• Simple projects: 10-15 business days
• Complex projects: 20-40 business days
• May require revisions

Step 5: Construction

• Display permit on site
• Follow approved plans exactly
• Schedule required inspections

Step 6: Inspections

Typical inspection points:

• Footings before concrete pour
• Framing before decking
• Final inspection

Common Reasons for Permit Denial

• Setback violations: Too close to property line
• Height exceeded: Over allowable limit
• Incomplete drawings: Missing required details
• Structural concerns: Inadequate support
• Easement encroachment: Building over utilities

Pro Tips for Smooth Approval

• Pre-consultation: Many cities offer pre-application meetings
• Accurate survey: Ensures correct setbacks
• Professional drawings: Reduces revision requests
• Complete application: Missing items cause delays
• Know your zoning: Requirements vary by zone

What If You Built Without a Permit?

If you have an unpermitted deck or fence:

• Don't panic: Options exist
• Consult building department: Ask about "as-built" permits
• Hire engineer: May need structural assessment
• Apply for permit: Submit current condition
• Make corrections: If required by inspector

How Deck Master Inc. Helps

We handle the permit process for all our clients:

• Prepare professional drawings
• Submit applications
• Coordinate with building departments
• Schedule all inspections
• Ensure code compliance

This ensures your project is fully permitted and inspected, protecting your investment and your family.

Need Help With Permits?

Contact Deck Master Inc. for a free consultation. We'll assess your project, explain permit requirements, and handle the entire process for you.