A-1 Self Storage
A-1 Self Storage is a division of the Caster Group, a family-owned company headquartered in San Diego, California, offering self storage solutions throughout California.
Last updated September 1, 2026
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Overview
A-1 Self Storage is a self storage company operating in California. It is a division of the Caster Group, a third-generation family-owned company headquartered in San Diego, California. The company has more than 50 self storage locations and plans to open additional locations in the future.
History
A-1 Self Storage is a division of the Caster Group, a third-generation family-owned company headquartered in San Diego, California. The Caster Group was founded in 1959 and specializes in acquisitions, development, and management of A-1 Self Storage and other commercial properties throughout California. A-1 Self Storage has more than 50 self storage locations and plans to open additional locations in the future.
Products and positioning
Product categories. self storage units
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