What size storage unit do I need?

We offer a wide range of sizes to accommodate your storage needs, from 5’×5 ’ (25 square feet) to 10’×30 ’ (300 square feet).* 10’x10’ units can store items from a one-bedroom apartment or small office. 10’x15’ units can store items from a two-bedroom apartment or vehicles (motorcycles or ATVs). 10’x20’ units can store items from a three-bedroom house or vehicles (larger Sedan, SUV, or pickup). 10’x30’ units can store items from up to five-bedroom homes or vehicles (Boats or RV). Read through our size guide to see the storage unit sizes we offer and determine which one is right for you. You can also contact one of our store teammates—they’re trained to help you out. *Sizes are approximate.

What is self storage used for?

Storage units can be used for many purposes. In Ontario, people use CubeSmart as a place to store seasonal items, as a temporary home for valuables while moving, during home renovations, or as a business storage solution to declutter offices and store inventory and equipment. No matter the reason, we have a variety of units to fit different needs.

What do you need to rent a storage unit in CubeSmart Self Storage, Ontario?

Rental agreement: Complete your rental agreement (online, over the phone, or in person). Payment: Make your first month’s payment for your storage unit as well as your one-time administrative fee. Insurance: We require insurance coverage for the items you store at CubeSmart. And we offer affordable, third-party insurance/protection plan options. If you are already covered, provide a copy of the declaration page at the time of rental. Identification: A state-issued ID card, driver’s license, passport, or military ID before moving in.

What’s the difference between office hours and access hours at CubeSmart Self Storage of Ontario?

Storage office hours are the hours that our office is open, and a store manager is available to assist you. Access hours indicate the time you have full access to your unit (no assistance needed). Please check with a store manager at your CubeSmart facility in Ontario for specific office hours.

How much is a storage unit per month in Ontario, CA?

The average cost of a storage unit in Ontario is $227. Here's the average cost by storage unit size: The average cost of a small, 5'x5' storage unit in Ontario is $114 per month. The average cost of a medium, 10'x10' storage unit in Ontario is $204 per month. The average cost of a large, 10'x20' storage unit in Ontario is $425 per month.

Storage Units at 1372 E 5th St, Ontario, CA

1372 E 5th St
Ontario, CA 91764

New Customers: (844) 427-1409 (844) 607-0268 (844) 626-9282 (844) 698-6801

Current Customers: (909) 218-4551

Office Hours

Monday–Friday: 9:30 AM–6:00 PM
Saturday: 8:30 AM–5:00 PM
Sunday: 11:00 AM–3:00 PM (Virtual Agent)

Access Hours

Daily: 6:00 AM–10:00 PM

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Services at This Facility

This facility offers expanded availability for RV storage. Our friendly store manager can provide more details about any of this facility’s available services.

Store Amenities

RV Storage: Keep your RV off the street with an affordable parking space at our facility.
Parking Spaces for Boats: Our parking spaces for boats are remarkably affordable.
Handcarts/Dollies Available: You'll find everything you need to get your belongings from your vehicle into your unit.
Third Party Insurance or Protection Plan Options Available Protect yourself against the unlikely loss or damage of your belongings with insurance.
Online Payment Options: Skip a trip to our office by paying online.
Month-to-Month Leases: If you're not sure how long you need storage, we have a flexible option.
Remote Access from App Open facility gates, doors, & elevators from the CubeSmart mobile app.
On-Site Manager: Our manager lives on site for added peace of mind.

Moving and Storage Deals

Tape, Boxes and Other Packing Supplies Available: Store your items as securely as possible with premium packing supplies.
Military Discounts Available: Show us your active duty military ID at move-in to enjoy a 5% discount.

About This Facility

Whether you’re moving or just don’t have enough space to accommodate all your belongings, our Ontario storage units are an excellent choice. Convenient for residents of neighborhoods like Upland and Rancho Cucamonga, this storage site has 24-hour video recording for more assurance. Plus, a resident manager lives onsite, providing top-quality customer service. With many storage unit sizes to choose from, it’s possible to find the perfect fit that meets your storage needs.

Shopping, dining, outdoor and indoor attractions – there are tons of things to see and do in Ontario. Soak up California’s sunshine with a trip to Cucamonga-Guasti Regional Park, located less than three miles from this storage facility. The two lakes on the property are great for fishing and boating. We offer boat parking, which makes this Ontario self storage facility a convenient spot to keep your boat. When you’re headed out for a fishing trip, come grab your catamaran – it’s that simple! RV owners will appreciate our affordable RV parking units that help keep your trailer off the streets and ready for exciting outdoor adventures.

We sell premium packing and moving supplies, including locks, tape, boxes, and shelving, on-premises so you can get everything you need under one roof. Units with outside, drive-up access offer easier loading and are especially helpful if you’re hauling heavier items. Our month-to-month leasing plans are ideal for those looking for short-term rentals. Schedule a visit today to check out our available self storage units and make a reservation. We feature discounts, like the first month free, to give you more for your money.

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Up to 40% Off & First Month Free^†.

Lock in today’s online storage deal with a no-commitment reservation.

No credit card or payment required
Monthly lease; no annual contract
Switch sizes at your facility if needed

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