Higher walls need to have a stronger base, more drainage, more excavation, and often require more planning and engineering. The height of a wall can also affect the cost. ![]() Removing rock and boulders will be more labor intensive than removing dirt, for example. One common factor is the amount of excavation needed for the project and the material that needs to be excavated. Other factors can affect the cost of a retaining wall. Some retaining walls may be more functional than aesthetically pleasing, while some may have to have cantilever supports behind them, which can increase costs. There are also other types of retaining walls, from rammed earth to large block cribs. Consider the cost of these extra materials when estimating the cost of your wall project. After the wall is constructed, fill material will be needed for behind the wall, but often this is available on site. Walls also need a way to drain excess water from behind the wall, which requires gravel, backing, and drain materials. A proper wall installation often starts with a solid base, sometimes gravel, sand, or concrete. People often overlook some additional materials needed to install any retaining wall. Check out our concrete block calculator to estimate how many cinder blocks you will need for your wall. Cinder block is often not the most desirable choice for a retaining wall since it is not structurally designed for lateral support and to hold the land back, but may be used for short retaining walls.Ĭinder blocks can be plastered or painted to improve the cosmetic appearance. Retaining wall material can range in price from $10 – $35 per square foot installed, with some material options including cinder block, wood, interlocking concrete block, natural stone, or poured concrete.Ĭinder block is a cost-effective material for a retaining wall and usually runs between $10 – $12 per square foot installed. You may be able to complete the project yourself as well, minimizing labor costs. ![]() Labor to construct a retaining wall often ranges between $50 – $75 per hour or $15 to $40 a square foot, but the amount of labor needed will need to be estimated by a professional.Ĭonsider requesting a professional retaining wall estimate to get an accurate labor cost. Labor is a significant cost for any construction project, and that cost will vary depending on the size, scale, and complexity of the landscaping project.
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