How Much Does Retaining Wall Cost in New Hampshire?
New Hampshire pricing is above the national average. Updated for 2026.
Retaining Wall Pricing in New Hampshire
In New Hampshire, the average cost for retaining wall is $7,280 per project, which is 12% higher than the national average of $6,500. Most New Hampshire residents pay between $3,360 and $16,800.
New Hampshire has a higher cost of living than most states, which translates to higher labor rates and material costs. Urban areas within New Hampshire may be even higher.
Retaining walls hold back soil on slopes, prevent erosion, and create usable flat areas. Materials include concrete block, natural stone, timber, and poured concrete.
New Hampshire vs National Average
What Affects Retaining Wall Cost in New Hampshire?
Material
Timber: $15-$25/sq ft. Concrete block: $20-$35/sq ft. Natural stone: $25-$50/sq ft. Poured concrete: $30-$60/sq ft
Height
2-3 ft: $20-$30/sq ft. 4-6 ft: $30-$50/sq ft. Over 6 ft: $40-$75/sq ft (requires engineering)
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Top-Rated Retaining Wall Pros in New Hampshire
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💡 Tips to Save on Retaining Wall in New Hampshire
- 1.Walls under 4 feet rarely need engineering permits
- 2.Concrete block is the most affordable option
- 3.Timber walls are cheapest but last only 15-20 years
- 4.Consider a terraced design to reduce wall height and cost
📈 Retaining Wall in New Hampshire Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $6,183 | — |
| 2021 | $6,443 | +4.2% |
| 2022 | $6,862 | +6.5% |
| 2023 | $7,054 | +2.8% |
| 2024 | $7,280 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Retaining Wall in New Hampshire
Recent Reports
Frequently Asked Questions
Do retaining walls need a permit?
Usually yes for walls over 4 feet tall. Walls over 4 feet typically also require engineered plans, which cost $200-$500.
Retaining Wall Cost in Other States
Related Cost Guides for New Hampshire
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