CalcMyMaterials

Retaining wall cost by state (2026)

Estimated installed cost for a 20 ft long × 3 ft high retaining wall project. US national average: $1,590–$2,733. Need a different size? Use the calculator.

All 51 states + DC · sorted by installed total
StateCost factorEstimated installed cost
Mississippi0.84×$1,361 – $2,376
Arkansas0.85×$1,375 – $2,399
Oklahoma0.86×$1,389 – $2,421
Alabama0.87×$1,404 – $2,443
South Carolina0.89×$1,432 – $2,488
Georgia0.90×$1,447 – $2,510
Kansas0.90×$1,447 – $2,510
Louisiana0.90×$1,447 – $2,510
North Carolina0.90×$1,447 – $2,510
Tennessee0.90×$1,447 – $2,510
Kentucky0.92×$1,475 – $2,555
New Mexico0.92×$1,475 – $2,555
South Dakota0.92×$1,475 – $2,555
Idaho0.93×$1,490 – $2,577
Nebraska0.93×$1,490 – $2,577
Texas0.93×$1,490 – $2,577
Indiana0.94×$1,504 – $2,599
Florida0.95×$1,518 – $2,622
Iowa0.95×$1,518 – $2,622
Missouri0.95×$1,518 – $2,622
West Virginia0.95×$1,518 – $2,622
Wyoming0.95×$1,518 – $2,622
Arizona0.96×$1,533 – $2,644
Virginia0.96×$1,533 – $2,644
Montana0.97×$1,547 – $2,666
Utah0.97×$1,547 – $2,666
North Dakota0.98×$1,561 – $2,688
Ohio0.98×$1,561 – $2,688
Maine1.00×$1,590 – $2,733
Michigan1.00×$1,590 – $2,733
Delaware1.02×$1,619 – $2,778
Wisconsin1.02×$1,619 – $2,778
Colorado1.03×$1,633 – $2,800
Nevada1.03×$1,633 – $2,800
Vermont1.03×$1,633 – $2,800
New Hampshire1.05×$1,662 – $2,844
Pennsylvania1.05×$1,662 – $2,844
Maryland1.08×$1,705 – $2,911
Minnesota1.08×$1,705 – $2,911
Oregon1.08×$1,705 – $2,911
Illinois1.10×$1,733 – $2,956
Rhode Island1.12×$1,762 – $3,000
Washington1.12×$1,762 – $3,000
Connecticut1.15×$1,805 – $3,067
District of Columbia1.18×$1,848 – $3,134
New Jersey1.18×$1,848 – $3,134
Massachusetts1.20×$1,877 – $3,179
Alaska1.25×$1,948 – $3,290
California1.28×$1,991 – $3,357
New York1.30×$2,020 – $3,402
Hawaii1.35×$2,091 – $3,513

Sorted low to high. Cost factor is relative to the US average (1.00×).