About Calstone

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Unbeatable Quality
Since 1948
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.

Our new Tracy facility is now operational. This expansion enables Calstone to provide its services to an even greater degree, both through an expanded delivery schedule and product diversification. The Tracy facility manufactures the Quarry Stone within our paving stone product line. This technologically advanced plant can also produce unique SRW products in the future.

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 keep pace with the high-paced technological development of the times. New equipment and new molds are frequently added, keeping pace 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.

Deliveries are met through our own fleet of trucks or by our dealers fleet of delivery and service. Support is accomplished through a select group of building products distributors, while technical assistance is provided to contractors and architects where needed. Managements technical expertise is the result of industry related associations, such as California Concrete Masonry Association (CMACN). Our effective customer relations policies stem from our family-run business ethic, spanning three generations.

Calstone has highly qualified customer services and sales representatives that are on call to answer any questions you may have, whether they be scheduling, accounting, or one that is highly technical in nature. Management is always readily available and eager to answer any of your questions, one of the many distinct trademarks that has set the company apart from others throughout our 50 year history.

If you are looking for a quality product and excellent service, at competitive prices, practical solutions to your creative ideas, and a company that can meet your every need, look to Calstone.