Alton Self Storage offers a clean, convenient, and well-equipped facility for residential and business storage needs. The storage units feature key-code gated entrances, 24-hour video recording, and climate control. The staff, including the current manager Jose Guirola, are knowledgeable, accommodating, and friendly, ensuring a positive long-term experience for customers. The facility is described as very clean, with good temperature control, and the rent is considered reasonable for the quality of the space. Customers have had smooth and organized move-in experiences, with staff members like Raul providing thorough explanations and support throughout the process. Overall, Alton Self Storage is praised for its secure, well-maintained, and customer-focused approach to storage solutions.