Deck Building Cost in Toronto (2026)
Average cost in Toronto
$8,000 — $75,000
$35 — $130 per sq ft
Cost Breakdown
ItemizedSkilled carpentry and installation
50%
Decking boards, framing, and hardware
38%
Demolition of old deck and excavation
8%
City fees and structural drawings
4%
HST at 13%
📋What's Included
ScopeTypically Includes
- Pressure-treated lumber
- Concrete footings
- Railing system
- Stairs (1 set)
- Hardware & fasteners
- Labor
Typically Excludes
- Composite or hardwood decking
- Built-in seating or planters
- Pergola or roof
- Lighting
- Permits
Based on a standard 200 sq ft pressure-treated wood deck.
🧮Estimate Your Cost
InteractiveEstimated Cost
$6,800 — $10,200
Based on 12 sources and market data for Toronto. Actual costs may vary depending on specific project requirements.
📈Price Momentum
Year-over-year~1 year ago
$22,651
Today
$23,761
Deck Building in Toronto is ↑ 4.9% compared to roughly a year ago — about $1,110 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Deck Build Contractors in Toronto
Verified providersProper Construction Inc.
23 Convoy Crescent, North York, ON L6A 3H2, Canada
118 reviews
UCO Construction Group
199 Roehampton Ave, Toronto, ON M4P 1R5, Canada
106 reviews
Hickory Dickory Decks
8 Highbourne Rd Apt 1, Toronto, ON M5P 2J2, Canada
63 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
Yes, a permit is required if the deck is more than 60 cm (24 inches) above adjacent grade or exceeds 10 square metres (108 sq ft) in area. For 2026, the City of Toronto's minimum permit fee is $214.79.
In 2026, composite or PVC decking in Toronto costs between $100 and $130 per sq ft installed, whereas pressure-treated wood ranges from $35 to $60 per sq ft. While the upfront cost is roughly 2-3x higher, composite saves an estimated $500-$800 annually in maintenance costs.
Yes, booking a deck build for October or November in Toronto can result in a 5-10% discount on labor as contractors look to fill their schedules before the deep winter freeze.
To comply with the Ontario Building Code and prevent frost heave, footings must be a minimum of 1.2 metres (4 feet) below finished grade. Helical piles are an increasingly popular alternative, costing approximately $200-$350 per pile.
📊Our Methodology
How we collect dataAggregated from 5+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 2 weeks ago. Updates run weekly. All costs in CAD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.