- Concrete Poured – Prices begin at $4.30 per square foot
- Interlocking Concrete Block – Prices begin at $5.65 per square foot
- Pressure-Treated Pine – Prices begin at $6.15 per square foot
- Stone – Prices begin around 11% higher than poured concrete
When it comes to building a retaining wall, the cost can add up quickly. It’s important to consider the affordability of the type of wall you want to build in order to stay within your budget. After researching the most common types of walls for retaining, concrete poured is the cheapest wall option. Here are some prices to give you an idea: