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*The Angi rating for Retaining Wall Installation companies in Markesan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Retaining Wall Installation needs.

*The HomeAdvisor rating for Retaining Wall Installation companies in Markesan, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Retaining Wall Installation needs.

Last update on October 22, 2025

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Retaining Wall Installers questions, answered by experts

Most railroad tie retaining walls have a life span of 20 to 30 years, though you may need to replace your wall sooner if it’s repeatedly exposed to heavy rain, runoff, and excess moisture. Railroad ties are typically treated with creosote, which makes them much more durable than untreated wood. Though they last longer, they don’t last forever. For the most longevity, make sure your retaining wall has a sturdy base and steel reinforcements. You should also install drainage to direct water away from the wall.

Each design is different, so we can’t say definitively if you’ll need a dedicated drainage system in place for a two-foot retaining wall. However, you can likely skip the drainage, as this project is typically served for walls that are 4 feet tall or more. Even with a relatively low wall, consider drainage if you are building on top of clay or poor-draining soil types or if there are buried water sources nearby, like a well used for other outdoor garden projects.

Regular inspection for issues like cracks or leaning and ensuring drainage stays clear.

Railroad ties can be good for retaining walls, but it depends on the area. They have a desirable rustic look and are durable. The problem is they’re treated with creosote, a preservative the EPA says poses a risk to humans and wildlife. Over time, the preservative seeps out of the wood and into the ground. Many areas have banned the use of creosote-treated wood on residential properties. If your area does allow it, never use railroad ties near an edible garden or drinking water source. Instead, use wood that’s treated with an EPA-approved preservative or a wood-alternative composite material.

Costs range from $5,000 to $15,000, depending on size, material, and design complexity.

The Markesan, WI homeowners’ guide to retaining wall installation services

From average costs to expert advice, get all the answers you need to get your job done.

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