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Retaining walls alone don’t always add value but almost always add curb appeal when combined with other landscaping. Comprehensive landscaping projects can add up to 15% to a home’s value, with an average return of 100% to 200%.

Retaining walls last five to 100 years on average, depending on the construction material. Wood retaining walls have the shortest lifespan, typically lasting from five to 20 years. Metal lasts anywhere from 20 to 100 years, while concrete can last 50 to 100 years. Stone can last 50 to 200 years.

The least expensive option for a retaining wall is to DIY using concrete blocks or wood. However, anything over four feet tall will likely require you to call in a local retaining wall builder. Poured concrete is another cost-effective option for larger projects.

You may want to consider adding a retaining wall to your property if you have concerns about soil erosion, drainage around a yard, or steep terrain that could be turned into more functional lawn space. Other times, a retaining wall is created more for aesthetic purposes, such as informal seating areas or improving curb appeal.

Yes, retaining walls need drainage since excess water is the leading cause of wall erosion. If you have a retaining wall that’s four feet or taller or made from wood, poured concrete, or concrete blocks, it’s especially important to have a functioning drainage system. Drainage can help redirect rain and groundwater away to prevent rot and alleviate pressure from both the excess water and soil.