Cost Overview

Item Price Range (CAD per sq ft)
Pressure-treated wood deck$25–$45
Cedar deck$35–$60
Composite deck$50–$90
Concrete patio$10–$20
Interlock/paving stone patio$20–$40
Deck permit (Ontario)$150–$500
Deck railing (per linear ft)$80–$200
Deck stairs$500–$2,000
Deck staining/sealing$2–$5

Average 12×16 ft deck: $8,000–$20,000 installed.

Rural Considerations

  • Site access may increase costs for large or lakefront projects.
  • Custom designs for cottages and lakefront properties are common.