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Self Storage Accommodations in Ontario, CA

Mountain Avenue Self Storage is here to bring the people of Ontario, California, the self storage needed to live their best life. We offer storage units for rent for you to keep your home tidy and your office organized. Whether you are in the market for personal storage options for your next relocation or you need business storage options for your inventory, we have got you covered. Pick storage that works with you. There are plenty of sizes to choose from and added amenities make moving in a breeze. From the ground up, we have ensured our business model can help you stay on top of tasks and remain organized year-round.

Great Location

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We have units available for you to rent, so check out our options on our rental page today.

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630 S Mountain Ave, Ontario, CA 91762

909-986-0068

112 S Mountain Ave, Ontario, CA 91762

909-391-2611

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Mountain Avenue Self Storage - 630 S
Thank you for the great service Christi and Monique!!! You guys are THE BEST
- Manny
Mountain Avenue Self Storage - 112 S
Great place to put your things in Ontario. It’s clean, quiet and the staff is available and very nice. Especially Angel, she’s always there with a helping hand and a water. Thank you Angel!!!
- Manny
Mountain Avenue Self Storage - 630 S
Best prices around.
- George Caves
Mountain Avenue Self Storage - 630 S
Monique is amazing! Such a great communicator and so willing to answer questions and help! Definitely recommend!
- Abigail Homan