Retaining Wall Cost Vancouver 2025: Construction & Repair
Retaining Wall Costs in Metro Vancouver
Retaining walls are common on Vancouver’s hillside lots and sloped properties. They prevent soil erosion, create usable flat areas, and can dramatically improve a property’s curb appeal and function.
Retaining Wall Cost by Material
| Material | Cost per linear ft | 50 ft wall (3 ft high) |
|---|---|---|
| Pressure-treated timber | $40–$80/lf | $2,000–$4,000 |
| Interlocking block (Allan, Unilock) | $60–$120/lf | $3,000–$6,000 |
| Natural stone (dry-stack) | $80–$160/lf | $4,000–$8,000 |
| Poured concrete | $120–$250/lf | $6,000–$12,500 |
| Gabion (stone-filled wire) | $70–$130/lf | $3,500–$6,500 |
Permit Requirement
Most Metro Vancouver cities require a building permit for retaining walls over 1.2m (4 ft) in height. Taller walls or walls on slopes require a geotechnical report and engineered drawings.
Drainage Is Critical
All retaining walls must have proper drainage (gravel backfill + perforated drain pipe) to prevent hydrostatic pressure buildup — the #1 cause of retaining wall failure in Vancouver’s rainy climate.
→ See also: Vancouver Renovation Cost Guide 2026
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