24/7 Customer Support. StorQuest Self Storage in Rancho Cucamonga, CA is guaranteed to make your storage process as stress-free as possible. Just call our friendly and professional staff, and they will work with you to find a storage unit that is a perfect fit for your needs. We offer indoor and outdoor storage units with drive-up access. We also provide business storage, a moving supply store, month-to-month storage rental options, and even a free truck rental with storage!