Retaining Wall Construction Cost Guide — South Portland, ME

Verified 2025 pricing for retaining wall construction services in South Portland. Updated quarterly from local contractor data.

Service Cost Ranges

Service	Low	Average	High	Unit
Block Retaining Wall	$3,450	$9,200	$28,750	per project
Natural Stone Wall	$5,750	$17,250	$46,000	per project
Poured Concrete Wall	$9,200	$23,000	$57,500	per project

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Older housing stock (pre-1958) increases complexity and materials cost

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✓Ask about seasonal discounts

✓Bundle multiple services

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See who offers the best value for money in South Portland.