Serving Duncan and area
Retaining Wall Construction in Duncan
Nanaimo Retaining Walls delivers 7 retaining wall services for residential lots in Duncan. We construct concrete block, natural boulder, timber, and poured walls in Cowichan Valley Regional District. You get a clear written quote following our free site visit.
Retaining wall construction in Duncan depends on materials: block runs $15–$40 per sq. ft. of wall face, timber $20–$25, poured $20–$45, rock $45–$65, and engineered $80–$88.
City of Duncan permit requirements
Under City of Duncan rules, a permit is required for walls "greater than 1.2 m in height" or in a "Hazard Lands Development Permit Area." We inspect your property footprint before starting excavation work. We construct poured concrete retaining walls that meet all municipal permit rules.
Concrete block and poured concrete walls
We build concrete block retaining walls at $15–$40 per sq. ft. of wall face, delivering strong interlocking support on sloped lots. Poured concrete walls run $20–$45 per sq. ft. and provide solid continuous earth retention. Both options handle medium to high soil loads.
Wall replacement and backfill drainage
We provide complete retaining wall repair and replacement for collapsed retaining walls and bowed face sections in Duncan yards. Every project incorporates clear crushed stone backfill and perforated drainage pipe along the heel. Removing hydrostatic pressure keeps your wall upright and sturdy.
Schedule a free site visit today to get a written estimate for your Duncan property.
See also
Ready for a quote on retaining walls in Duncan?
We provide free on-site quotes.