United States calculator
Retaining Wall Cost Calculator
Estimate the cost to build a retaining wall. Adjust the wall length and height, the wall material, and whether you include a gravel-and-pipe drainage system and base excavation to see an itemized low–high range for your project.
How this calculator is built
Unit costs with sources
This model cites 4 sources across line-item unit costs, regional labor data, and tax references.
Regional labor adjustment
The state table applies local labor indexes only to labor-heavy line items.
Published methodology
The methodology page lists the formula, size drivers, labor model, and source links.
Estimate your project
Change the default inputs to match your scope. The breakdown updates by line item.
Retaining Wall Cost by state: typical ranges
Each range applies that state's labor index to the labor-share line items of the default project; materials stay at national prices. Select a state for its full local breakdown and calculator.
| State | Typical range | Labor index | Permit |
|---|---|---|---|
| Alabama | $3,408–$6,330 | 75% | Likely |
| Alaska | $4,445–$8,254 | 123% | Likely |
| Arizona | $3,732–$6,931 | 90% | Likely |
| Arkansas | $3,473–$6,450 | 78% | Likely |
| California | $4,380–$8,134 | 120% | Likely |
| Colorado | $3,970–$7,372 | 101% | Likely |
| Connecticut | $4,056–$7,532 | 105% | Likely |
| Delaware | $3,862–$7,172 | 96% | Likely |
| Florida | $3,516–$6,530 | 80% | Likely |
| Georgia | $3,451–$6,410 | 77% | Likely |
| Hawaii | $4,660–$8,655 | 133% | Likely |
| Idaho | $3,624–$6,731 | 85% | Likely |
| Illinois | $4,423–$8,214 | 122% | Likely |
| Indiana | $3,926–$7,292 | 99% | Likely |
| Iowa | $3,689–$6,851 | 88% | Likely |
| Kansas | $3,754–$6,971 | 91% | Likely |
| Kentucky | $3,603–$6,691 | 84% | Likely |
| Louisiana | $3,495–$6,490 | 79% | Likely |
| Maine | $3,862–$7,172 | 96% | Likely |
| Maryland | $4,056–$7,532 | 105% | Likely |
| Massachusetts | $4,401–$8,174 | 121% | Likely |
| Michigan | $3,840–$7,132 | 95% | Likely |
| Minnesota | $4,099–$7,613 | 107% | Likely |
| Mississippi | $3,408–$6,330 | 75% | Likely |
| Missouri | $3,926–$7,292 | 99% | Likely |
| Montana | $3,754–$6,971 | 91% | Likely |
| Nebraska | $3,603–$6,691 | 84% | Likely |
| Nevada | $4,078–$7,573 | 106% | Likely |
| New Hampshire | $3,905–$7,252 | 98% | Likely |
| New Jersey | $4,164–$7,733 | 110% | Likely |
| New Mexico | $3,689–$6,851 | 88% | Likely |
| New York | $4,293–$7,973 | 116% | Likely |
| North Carolina | $3,451–$6,410 | 77% | Likely |
| North Dakota | $3,689–$6,851 | 88% | Likely |
| Ohio | $3,840–$7,132 | 95% | Likely |
| Oklahoma | $3,430–$6,370 | 76% | Likely |
| Oregon | $4,121–$7,653 | 108% | Likely |
| Pennsylvania | $3,862–$7,172 | 96% | Likely |
| Rhode Island | $3,905–$7,252 | 98% | Likely |
| South Carolina | $3,603–$6,691 | 84% | Likely |
| South Dakota | $3,473–$6,450 | 78% | Likely |
| Tennessee | $3,559–$6,610 | 82% | Likely |
| Texas | $3,473–$6,450 | 78% | Likely |
| Utah | $3,603–$6,691 | 84% | Likely |
| Vermont | $3,818–$7,091 | 94% | Likely |
| Virginia | $3,603–$6,691 | 84% | Likely |
| Washington | $4,401–$8,174 | 121% | Likely |
| West Virginia | $3,451–$6,410 | 77% | Likely |
| Wisconsin | $3,926–$7,292 | 99% | Likely |
| Wyoming | $3,732–$6,931 | 90% | Likely |