LAACO, Ltd. is exploring a sale of Storage West, its division that acquires, develops and manages self-storage facilities, according to people with knowledge of the matter. LAACO is working with an adviser to solicit interest in Storage West from potential suitors, said the people, who asked not to be identified discussion private information. A targeted valuation couldn?t immediately be learned. A spokesman for LAACO declined to comment. Storage West directed inquiries to its parent company.