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How Much It Cost To Construct Retaining Walls?

The cost of retaining walls in California varies widely based on material, height, length, soil conditions, and engineering requirements, especially in seismic zones. Here’s a breakdown of typical costs:

Retaining Wall Construction Cost Guide in California

Cost by Retaining Wall Type

Wall Type Cost per Linear Foot Cost per Square Foot
Concrete Block (CMU) Wall $50–$150 $20–$50
Poured Concrete Wall $80–$200 $30–$80
Masonry/Stone Wall $100–$300 $40–$100
Gabion Wall $50–$150 $20–$50
Timber (Wood) Wall $40–$100 $15–$40
Reinforced Concrete Wall (Structural/Seismic Rated) $150–$400 $50–$150

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