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About Us

112 S Mountain Ave is one of the locations of Mountain Avenue Self Storage, a provider of affordable storage since 1980. With so much expertise, we can help you save time and space with options available to keep your items safe. Make a storage reservation for that upcoming family reunion, as we can help you make room for your guests. Have a business that is taking off? Keep your inventory onsite so you have time to grow and expand. No matter what your goals are, we can help you reach them. Find what you need and browse our options today.

Facility Info

Mountain Avenue Self Storage

112 S Mountain Ave
Ontario, CA 91762

909-391-2611

Office Hours:
Monday – Sunday: 9:00 AM – 6:00 PM

Drive Up Unit Access Hours:
Monday – Sunday: 6:00 AM – 9:00 PM

Indoor Unit Access:
Monday – Sunday: 9:00 AM – 5:45 PM

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