Installing wall materials at an angle with tie-back reinforcementsĪ retaining wall can be 3' to 6' high. Leveling and compacting soil to create terraces
Building a sloped-backyard retaining wall costs up to twice as much in labor due to: Installing large concrete retaining wall blocks costs $60 to $270 per linear foot.Ĭost of building a retaining wall on a slopeīuilding a retaining wall on a slope costs $25 to $100 per square foot.
Large retaining wall block prices are $25 to $100 per block for materials. Interlocking retaining wall blocks prices are $2 to $10 per block for materials or $45 to $210 per linear foot installed. *All prices excluding installation labor. Retaining wall blocks price list Material Prices vary by location, wall type, construction method, and complexity. The labor cost for building a retaining wall is $40 to $80 per hour or $10 to $30 per square foot. Waterproofing – Sealing walls costs $2 to $10 per square foot. Land survey – A property line survey costs $200 to $1,200. Landscaping fabric – Landscaping fabric costs $0.30 to $1.00 per square foot to lay behind the retaining wall. Landscaping – Landscaping costs $50 to $100 per hour for additional yard work or repairs. Planning – Retaining wall engineering design plans cost $100 to $220 per hour from a structural engineer or landscape architect. Permits – A permit costs $50 to $450 on average, depending on the wall type, size, and location. Site access – Working on slopes, hard-to-access sites, limited access for heavy machinery, and removing gates increases labor time.īackfill – Additional fill dirt costs $150 to $600 per truckload delivered or $15 to $50 per yard.ĭelivery – Stone, brick, or concrete block delivery costs $30 to $100 per truckload on average.ĭrainage – Installing a drainage system costs $10 to $30 per linear foot to prevent flooding and erosion. Location – Labor costs are typically higher in metropolitan areas. Building codes often require rebar to strengthen a wall against earthquakes. Reinforcements – Adding steel rebar costs $2.50 to $5.00+ per square foot extra. Tree removal costs $300 to $700 per tree.Įxcavation – Removing old retaining walls and dirt costs $125 to $225 per cubic yard, including disposal.įoundation – Concrete footings cost $18 to $55 per linear foot, depending on the wall type, size, depth, and soil conditions. Land grading costs $0.40 to $2.00 per square foot. Land clearing costs $1,500 to $3,000 per acre for difficult terrain. Size – Taller, longer, and thicker walls need stronger foundations and additional reinforcements than basic garden walls.ĭesign – Complex walls with curves, steps, openings, and other designs increase labor time. The cost to install a retaining wall depends on site conditions and many other cost factors: Requires space for installation with heavy machinery Galvanized or vinyl-coated steel types for wet climates and coastal areas Sheet-pile walls are the thinnest wall type, made of steel, and have concrete or wood caps on top. A sheet-piling retaining wall costs $15 to $50 per square foot installed.