How Much Does Retaining Wall Cost in South Carolina?
South Carolina pricing is below the national average. Updated for 2026.
Retaining Wall Pricing in South Carolina
In South Carolina, the average cost for retaining wall is $5,655 per project, which is 13% lower than the national average of $6,500. Most South Carolina residents pay between $2,610 and $13,050.
South Carolina benefits from a lower cost of living than many states, resulting in more affordable pricing for retaining wall. This makes it one of the more budget-friendly states for this service.
Retaining walls hold back soil on slopes, prevent erosion, and create usable flat areas. Materials include concrete block, natural stone, timber, and poured concrete.
South Carolina vs National Average
What Affects Retaining Wall Cost in South Carolina?
Material
Timber: $15-$25/sq ft. Concrete block: $20-$35/sq ft. Natural stone: $25-$50/sq ft. Poured concrete: $30-$60/sq ft
Height
2-3 ft: $20-$30/sq ft. 4-6 ft: $30-$50/sq ft. Over 6 ft: $40-$75/sq ft (requires engineering)
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💡 Tips to Save on Retaining Wall in South Carolina
- 1.Walls under 4 feet rarely need engineering permits
- 2.Concrete block is the most affordable option
- 3.Timber walls are cheapest but last only 15-20 years
- 4.Consider a terraced design to reduce wall height and cost
📈 Retaining Wall in South Carolina Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $4,804 | — |
| 2021 | $5,006 | +4.2% |
| 2022 | $5,331 | +6.5% |
| 2023 | $5,480 | +2.8% |
| 2024 | $5,655 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Retaining Wall in South Carolina
Recent Reports
Frequently Asked Questions
Do retaining walls need a permit?
Usually yes for walls over 4 feet tall. Walls over 4 feet typically also require engineered plans, which cost $200-$500.
Retaining Wall Cost in Other States
Related Cost Guides for South Carolina
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