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Mountain Avenue Self Storage Self Storage

Find self storage for your home or office equipment at Mountain Avenue Self Storage, located at 630 S Mountain Ave in Ontario, California. Storage units are available for a wide variety of uses. Reservations can be made online with ease, so find the storage space you need today.

Website: selfstoragemountainave.com

Phone: (909) 986-0068

Cross Streets: Near the intersection of S Mountain Ave and Magnolia Ave

Open now

  • Wed 9:00 AM - 6:00 PM

630 S Mountain Ave Ontario, CA 91762 ·2154.88 mi

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Reviews

yelp
4.0 23 reviews
5 star
17 4 star
1 3 star
0 2 star
0 1 star
5
Josie N. 03/27/26

I love this storage unit. I love working with Christine she is amazing and caring A clean and safe place to store your belongings We been here for years now And love it Thank you

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Nessa L. 06/12/25

Absolutely love this place and Monique is a doll. The place is always clean easy access and the staff are amazing thank you Mountain avenues self storage.

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Jennifer S. 04/02/25

I have two units here and they are really good in terms of customer service and maintaining the property.

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Christiane P. 03/31/25

Good prices! It's always clean and the hours to come in and out are great. If you go in, make sure you ask them for their promotions. They have the best deals in Ontario, I can tell you that

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Tammie S. 03/30/25

I have had my storage units here for many years. They are always kind and helpful. Don't hesitate to use them. I absolutely adore the ladies here.

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