Graded: Grading typically costs at least $500.Leveled: Expect to pay $0.40 – $2.00 per square foot for leveling.Locationīefore building a retaining wall, land may need to be: Please see typical pricing by wall placement in the table below. Where do you want to put your retaining wall? Retaining wall placement affects its size and the amount of force it needs to withstand, which also affects the cost. They are thin and usually made of steel, wood, or vinyl. Sheet piling retaining walls use space-saving engineering and typically cost $10 – $50 per square foot.They are often used around pools and landscaping and usually cost $15 – $25 per square foot. Counterfort walls are similar to cantilevered walls, but they have multiple sections that go in different directions.They are usually made of stones or blocks and cost $25 – $30 per square foot. Cantilever retaining walls are made from steel bars and concrete and have a foundation that provides extra support.They also use gravity, but this method can be used to build taller walls than traditional gravity retaining walls. They typically cost $10 – $30 per square foot and can be made of any material. Anchored retaining walls (aka tie-back systems) have thin walls supported by anchors and cables.This method works best with shorter walls. They typically cost $10 – $30 per square foot and can be made out of anything. Gravity walls use their weight and size to manage water flow and soil erosion.There are five main types of retaining walls: The type of retaining wall also affects its cost. You may want to check out practical retaining wall ideas to boost your curb appeal to help you choose a material based on looks. Corten steel is stronger and more expensive than other steel types.Stones have a versatile appearance and can complement both rustic and modern landscapes. There are two main ways to stack stones: Dry-stacked stones are held together with gravity, and wet-laid stones use mortar. Stone walls typically last 40 – 100 years.It is more environmentally friendly than concrete but is often just as strong. Rammed-earth mix combines compacted earth with a binder (e.g.The treatment makes the wood more durable, but the creosote is toxic. Railroad ties are made out of wood that has been soaked in creosote.However, they are not the most durable and typically last 20 – 40 years. Wood retaining walls have a rustic ambiance that many homeowners love.Poured concrete retaining walls are the most durable, and they are also very versatile.Interlocking concrete blocks are easy to install, affordable, and visually appealing.They are easy to install, low-maintenance, and excellent at stabilizing soil. Gabion walls are made out of wire boxes filled with rocks.Vinyl is lightweight and works best for shorter walls. Vinyl retaining walls are affordable and durable, with a typical lifespan of 50 years.Please see common pricing by material in the table below. The cost of a retaining wall depends on the materials used to build it. Retaining Wall Sizeįor an accurate estimate of how much a retaining wall will cost, you must consider the following factors: Please see typical pricing by size in the table below. To calculate a retaining wall’s square footage, multiply its length (in feet) by its width (in feet). Most retaining walls cost $20 to $53 per square foot, with the average square foot cost being $33. See Pricing In Your Area Retaining Wall Cost Estimator by Size
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