Boulder wall cost. Remember, The size of boulder that you choose, the size and scale of the project, the amount of site prep work required, and the size of equipment required to complete the project are all going to effect the cost. To get a more accurate cost for your retaining wall project, request a quote. See full list on homeguide. Mar 31, 2025 · Building a boulder or stone retaining wall costs an average of $5,025, with total costs ranging from $3,650 to $6,420. This works out to $45 to $200 per square foot. However, costs can vary based on factors like material, wall size, and site conditions. With the boulder wall calculator below you can estimate the tons of boulders needed for a boulder retaining wall. Whether you build the wall yourself or hire landscapers, paying attention to the details will ensure a long-lasting wall. You can choose a variety of boulder sizes and types to customize your calculation. . com Nov 13, 2024 · The average cost of installing a boulder retaining wall typically ranges from $40 to $55 per square foot. At $300 per ton of boulder, the average cost for a 25-foot-long wall is $5,000. Mar 10, 2022 · The average cost for a boulder retaining wall would be between $10,000 and $35,000. Sep 30, 2022 · Installing the wall will cost between $45 and $75 per hour. Factors like wall type, materials, and project complexity can affect the final price. By HomeBlue Team. Retaining wall cost in Boulder, Colorado ranges from $16 to $50 per square foot (face foot) depending on the material used (boulders, stone, wood, concrete, gabion, interlocking block and railroad ties). beg uyltu zioqbi faqxa lmxu xmghhq ynxtv napul gdnw olmc