Cost by material
Prices are installed, per square foot of wall face, in Greater Boston.
- Segmental concrete block: $40 – $75
- Natural fieldstone (dry-laid): $55 – $95
- Granite block or wallstone: $75 – $140
- Mortared stone veneer over concrete: $85 – $150
Height and engineering
Walls over 4 feet, or walls supporting a driveway or structure, typically need an engineered design and a building permit. Geogrid reinforcement and drainage add cost but prevent failure.
Frequently asked questions
Do I need a permit for a retaining wall in Massachusetts?
Generally for walls over 4 feet or with a surcharge. Conservation commissions may be involved near wetlands.
What's the cheapest retaining wall?
Segmental block is usually the most affordable durable option.
How long does a retaining wall last?
Properly drained block or stone walls last 50–100 years.
Get retaining walls near you
- Retaining Walls in Boston
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