Check with your local code enforcement or contractor to see if you can use these in your area. But it's also toxic to humans, making it a less popular option. Because they're soaked in creosote, they don't rot the way untreated wood does. Railroad tie retaining walls cost $25 to $30 per square foot. On the other hand, compressed earth blocks are different from rammed earth walls because they’re compressed individually, coming as low as $5 to $10 per square foot. Although not used extensively, it's a more environmentally responsible alternative to brick and concrete. Modern methods use some cement as a binder and can reach the strength of concrete. They're created by compacting earth with a binder into a hardened structure. Rammed earth retaining walls cost $20 to $30 per square foot. Rammed Earth and Compressed Earth Block Retaining Wall Keep in mind that metal rusts over time and works better in some climates than others, but it can last for many decades if installed and treated properly, with galvanized steel lasting the longest in coastal environments. There are many metal retaining wall options to choose from, including sheet piling, corten, and I-beam. They're often only suitable up to about 4 feet in height when used alone, but above that height, you'll want to have them two wythes thick for better stability. Bricks can act as a veneer in a retaining wall, meaning they're only one brick thick (a wythe), typically outside of poured or block concrete. Brick Retaining Wallīrick walls cost $10 to $45 per square foot. Prices range from the inexpensive and practical gabion to the high-end stacked stone and limestone options. Stone retaining walls cost $5 to $100 per square foot. However, drainage and waterproofing during installation can make this style last decades. The downside of using wood is that it’s susceptible to rot and water damage. You can easily find this cost-effective material locally. They typically last five to 20 years and are a favorite for gardens because of their natural appearance. Wooden retaining walls average $15 to $30 per square foot. You may also use veneers on poured and cinder walls, but the split-face look comes with a rock-like texture and various colors. You can choose from poured, split-face block, or CMU (cinder block). Concrete Retaining WallĬoncrete retaining walls cost $10 to $100 per square face foot (or the square feet of the face of the wall). Keep reading to find out your options and their prices.
If you’re planning to use a contractor or residential structural engineer near you, they should be able to help you determine which materials make the most sense for your particular wall type.
Know the look and style you’re going for. Understand moisture conditions where you plan to have your wall built.
When choosing the type of retaining wall you want, it's essential to consider several factors:Įstablish the intended purpose of the retaining wall.ĭetermine the length and height it needs to be. The cost to build a retaining wall will depend primarily on the type of wall you build. Find hiring guides, material costs, expert advice, how-to's and more.