Calstone Company - Sunnyvale

(408) 984-8800   

Product Specialists:

AB Expert(s)
  • Scott Julien
  • Denton Bullard

Store Hours:

Week Days: 7:00 AM - 5:00 PM
Saturday: Closed
Sunday: Closed

Upcoming Events

1155 Aster Avenue
Sunnyvale, California 

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AB Collection
AB® Collection
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AB Europa Collection
AB Europa® Collection
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AB  Courtyard Collection
AB Courtyard Collection®
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Our Allan Block Products are Manufactured by Calstone Company


  • Paving Stones
  • Retaining Walls
  • Landscape Structures
  • CMU's



Get caught up on the latest products, trends and events!

Contractor Certification Training Class

Class Location -Ramada Inn at 1217 Wildwood Ave, Sunnyvale 94089. Hands-on and lunch will be held at Sunnyvale yard (1155 Aster Ave, Sunnyvale, CA). Sign-in: 8:00 AM Class Time: 8:30 AM - 2:00PM Cost: $40.00 Learn from the experts when you attend our AB Certified Contractor Class. The class will introduce you to the Allan Block product line and teach the advantages of segmental retaining walls. In addition, the course will explore principals of wall design, how segmental retaining wall products work, reasons why walls fail as well as teach proper construction methods. Course materials, continental breakfast and lunch provided. Please contact Ashley Kaul with any questions regarding this class. Phone: (408) 984-8800 or E-Mail: Register By: October 12, 2018

Contact:  Ashley (408) 984-8800


Calstone Company - Sunnyvale

Calstone has serviced Northern California with high quality concrete masonry and landscaping products for more than 60 years. Established in 1948 in San Carlos, Calstone has four manufacturing facilities in operation, Sunnyvale, Galt, 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 has highly qualified customer services and sales representatives that are on call to answer any questions you may have. Management is always readily available to answer any of your questions, one of the many distinct trademarks that has set the company apart from others throughout our 60 year plus history.

If you are looking for a quality product, excellent service, competitive prices, and practical solutions to your creative ideas, look to Calstone.


Calstone Company - Sunnyvale

1155 Aster Avenue
Sunnyvale, California 94086
United States

(408) 984-8800

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