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Cowan & Thompson is one of California’s leading retaining wall contractors.
Our company has been leading the standard for excellence since 1987. We are a professional full-service retaining wall contractor.
For over 25 years, Cowan & Thompson has maintained its commitment to quality, integrity and service.
We pride ourselves on being a reputable, honest, reliable and friendly company with a level of professionalism matched by our competitive pricing. These principles remain an important part of what we do each day - on every project.
Mission Statement Building relationships and retaining customers through the foundation of good business.