Calstone has serviced Northern California with high quality concrete masonry and landscaping products for more than 50 years. Established in 1948 in San Carlos, Calstone has four manufacturing facilities in operation. Just North of San Jose, the Sunnyvale operation occupies fourteen acres. Serviced by rail, the Sunnyvale location is within blocks of two major freeways and an expressway. The San Martin manufacturing facility, seven acres, is located just south of San Jose off of Highway 101. The Galt manufacturing facility, 11 acres, is located just south of Sacramento. These centralized locations enable us to provide services to much of the state, going as far north as Eureka, and far South as Fresno, and as far East as Reno on a regular basis.
       

Concrete
Pavers

Concrete
Masonry Units

Segmented
Retaining Walls

Fencewall Systems
Sunnyvale: 408-984-8800 Map
Galt: 209-745-2981 Map
San Martin: 408-686-9627 Map
Tracy: 209-833-7366 Map
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