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About Us

Find a storage rental for your home items or office supplies when you make a storage reservation at Mountain Avenue Self Storage, located at 630 S Mountain Ave. Whether your needs are temporary, or you have a long-term plan, find affordable storage that works for you. We make it easy for you to search through selection. Use our mobile-friendly online portal to calculate the size you need and book your reservation. With a few taps on your smartphone, you are one step closer to organized living. Get started when you make an online storage reservation today.

Facility Info

Mountain Avenue Self Storage

630 South Mountain Ave
Ontario, CA 91762

909-986-0068

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

Reviews