Size the trench so there's enough room for the retaining wall block and at least 8 in. of space behind it. Excavate deep enough to completely bury at least one full course, including space for 6 to 8 ...

Highlights The typical cost range to build a railroad tie retaining wall falls between $2,000 and $2,400, while the national average cost is $2,200. The main factors that affect the total cost of this ...

Retaining walls are hardscaping heroes, making challenging locations more workable and preventing erosion in your outdoor space so it stays safe. In sloped backyards, retaining walls are especially ...