Deck Building Cost in Montreal (2026)
Average cost in Montreal
$5,000 — $35,000
$40 — $100 per sq ft
Cost Breakdown
ItemizedDecking boards, framing lumber
45%
Carpentry and installation
45%
Screws, brackets, concrete footings
7%
Montreal municipal permits
3%
GST+QST at 14.98%
📋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
$5,792 — $8,688
Based on 6 sources and market data for Montreal. Actual costs may vary depending on specific project requirements.
🏢Top Deck Build Contractors in Montreal
Verified providersGroupe Ubora - Deck Builders
19100 Route Transcanadienne, Baie-d'Urfé, QC H9X 3S4, Canada
198 reviews
Florida Deck and Landscaping
3551 Bd Saint-Charles #309, Kirkland, QC H9H 4S3, Canada
82 reviews
Bonbois MTL Inc. - Construction, Terrasse, Patio, Pergolas, Clôtures Montréal
2186 Rue Nicolet, Montréal, QC H1W 3L2, Canada
51 reviews
Espace Unik Designer Deck Builder
108 Croissant Michaël, Beaconsfield, QC H9W 2C6, Canada
44 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
On average, a 200 sq ft deck in Montreal costs between $8,000 and $20,000 CAD, depending on whether you choose pressure-treated wood (around $40-$50/sq ft) or premium composite materials ($80-$100/sq ft).
Deck contractors in Montreal typically charge between $25 and $45 CAD per square foot for labor, which varies based on the complexity of the design, elevation, and materials used.
Yes, while pressure-treated wood costs $40-$60 per sq ft installed, composite decking ranges from $75-$100 per sq ft but withstands Montreal's harsh winters and freeze-thaw cycles much better, requiring significantly less maintenance.
Yes, most boroughs in Montreal require a building permit for decks, especially if they are attached to the house or over 2 feet (0.6 meters) off the ground. Permit fees typically range from $150 to $500 CAD.
📊Our Methodology
How we collect dataAggregated from 6+ 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: today. Updates run weekly. All costs in CAD.