The Caster Group began as a family business in 1959 and expanded into self storage development in the early 1980s. The company focuses on acquiring, developing, constructing, and managing A-1 Self Storage properties across California. Its business also reflects a broader real estate background that has included industrial, residential, and retail work. The Caster Group has continued to build and manage self storage assets while keeping a long-running emphasis on development and property operations.