Our blocks lend themselves, among many other applications, to creating beautiful terraced gardens, heavy duty erosion and sediment control, as well as effective storm water and sea shore erosion control. Block sizes are from 2’x2’x2’ to 6’x2’x2’ each. Large concrete retaining wall block prices are 25 to 100 per block, depending on the size. Commercial or large concrete retaining wall blocks cost 60 to 270 per linear foot for 3’ to 6’ tall walls or 20 to 45 per square foot installed. The wide range of plantable and highly versatile blocks is suited to create environmentally friendly domestic or industrial installation and support sustainable development in soil stabilization. Large concrete retaining wall blocks cost. ReMaCon Products offer interlocking concrete blocks for environmental landscaping. Cuts evaporation, improves drainage, allows for effective backfill compaction. Units are light in weight for easy delivery, handling and installation, yet heavy when filled with soil, gravel, or concrete. Choose between round face, (plant supportive) or flush face to suit your requirements.