About Calstone Co.
Calstone Co. is a Building Materials company, headquartered in Sunnyvale, with 11 - 50 employees and annual revenue of $5M - $20M.
Calstone has serviced Northern California with high-quality concrete masonry and landscaping products for more than 60 years. Established in 1947 in San Carlos, Calstone has four facilities in operation, Gilroy, Galt, San Martin, and Tracy. Calstone currently services customers with over 600 varieti...
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Calstone Co. Company Highlights
Phone Number
(209) 745-xxxx
Corporate Office Address
1155 Aster Avenue
Sunnyvale, 94086
Website
Calstone Co. Email Format
The most common Calstone Co. email format is [first][last] (ex. johndoe@calstone.com), currently being used by 99% of Calstone Co. business email addresses. There are 6 email formats used by Calstone Co..
Calstone Co. Org
Calstone Co. has 5 Manager and 14 Mid-Level employees.
Calstone Co.'s Tech Stack
Frequently Asked Questions About
Calstone Co.
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How many senior employees does Calstone Co. have?
Calstone Co. has 5 senior employees that are typically used for decision making.
What email format does Calstone Co. use?
The most common Calstone Co. email format is {first}{last} (e.g. johndoe@calstone.com).
What technologies does Calstone Co. use?
Calstone Co. uses technologies including Google AdSense, Google Cloud, and Lodash.
How do I contact Calstone Co.?
To contact Calstone Co., visit calstone.com.
What companies are similar to Calstone Co.?
Companies similar to Calstone Co. include Ozinga, Dixie Plywood & Lumber Company, and Jeff- Co. Sales & Marketing Inc..
Where is Calstone Co. headquartered?
Calstone Co. is headquartered at 1155 Aster Avenue, Sunnyvale.
What is the main phone number for Calstone Co.?
The main phone number for Calstone Co. is (209) 745-xxxx.
What is the official website for Calstone Co.?
The official website for Calstone Co. is calstone.com.
What is the annual revenue of Calstone Co.?
The annual revenue of Calstone Co. is $5M - $20M.
How many employees does Calstone Co. have?
Calstone Co. has 11 - 50 employees.
What industry is Calstone Co. in?
Calstone Co. is in the Building Materials industry.
Last updated: September 28, 2025