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About Us

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 the Self Storage division of the Caster Companies, a third generation family owned company headquartered in San Diego, California serving you since 1959. The Caster Companies specializes in acquisitions, development and management of A-1 Self Storage, and other commercial properties in California. Our Real Estate Portfolio includes over 4 million square feet in real estate properties, including over 45 self storage locations. Our plans to open more locations in the future will make us one of California’s fastest growing companies.

Click here for all locations and pricing.

Mission Statement
At Caster Companies, our mission is to remain an industry leader by providing conveniently located, safe, clean self storage stores and by supporting our Associates so that 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.

The Caster Companies
4607 Mission Gorge Place
San Diego, CA 92120
(619) 287-8873
(800) 219-4854 Toll-free
(619) 287-2493 Fax
Visit our website at www.castergrp.com.

We’re looking to buy or participate in the purchase of raw land, existing self storage facilities, projects in fill-up, or projects that are entitled but not built. Click here for more details.

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