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Stone, Pavers & Concrete
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About Us

If you are looking for a quality product, excellent service, and practical solutions to your creative ideas, look to Calstone by contacting one of our distributors today! Calstone has serviced Northern California with manufacturing high-quality concrete masonry and landscaping products for more than 70 years. Established in 1948 in San Carlos, Calstone has four manufacturing facilities in operation, Galt, Gilroy, San Martin, and Tracy. These centralized manufacturing 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. Calstone currently services customers with over 600 varieties and sizes of concrete masonry, landscaping products and custom made units meeting the specific needs of our clientele in both the retail trade and construction industries. At Calstone, we pride ourselves on our ability to constantly innovate new products to stay ahead in technological development. New equipment and new molds are frequently added, keeping ahead with improvements and design changes in the industry. We are well prepared to meet the needs of all of our customers, serving equally the requirements of the retail industry, as well as residential, commercial, industrial, and institutional construction. The plants can operate 24 hours a day, and, to meet emergency circumstances, have the ability to deliver a cured Calstone product 24 hours after manufacture.

Services Provided

Hardscaping, Retaining Wall Construction, Paving Stones, concrete pavers, driveway pavers, pavestone, paver companies, patio pavers, concrete paver, Masonry Concrete Units

Areas Served

Gilroy, Los Altos, Morgan Hill, Mountain View, Palo Alto, San Jose, San Martin, Sunnyvale, Alviso, Atherton, Buena Vista, Cambrian Park, Campbell, Cupertino, East Palo Alto, Fremont, Fruitdale, Los Altos Hills, Los Gatos, Loyola, Menlo Park, Monte Sereno, Newark, Santa Clara, Saratoga, Stanford, West Menlo Park


Managements technical expertise is the result of industry-related associations, such as the California Concrete Masonry Association (CMACN), National Concrete Masonry Association (NCMA), Interlocking Concrete Pavement Institute (ICPI), and a host of local organizatioins.


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Business Details

Business Name


Phone Number

(408) 686-9627


13775 Llagas Ave
San Martin, CA 95046


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