About A-1 Self Storage

A-1 Self Storage is committed to fulfilling all your personal and business self storage needs with top quality storage, superior customer service, and convenient locations.

A-1 Self Storage is a division of the Caster Group, a third-generation family-owned company headquartered in San Diego, California. Founded in 1959, the Caster Group specializes in acquisitions, development, and management of A-1 Self Storage and other commercial properties throughout California. With more than 50 self storage locations and plans to open additional locations in the future, A-1 Self Storage is one of the state’s fastest growing self storage companies.

Parking lot and exterior of a A-1 Self Storage facility
Palm trees around a A-1 Self Storage facility
Large open driveways around our A-1 Self Storage facility
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A variety of packing boxes at A-1 Self Storage
Entry into a A-1 Self Storage facility

Customer Focused & Service Oriented

At the Caster Group, our mission is to remain an industry leader by providing conveniently located, clean self storage, and by supporting our Associates so we can consistently exceed the expectations of our customers and provide value in the communities we serve, and thereby, increase the value of our properties.

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