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 Diamond Bar, 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 , Diamond Bar?

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 of Diamond Bar?

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 Diamond Bar for specific office hours.

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

The average cost of a storage unit in Diamond Bar is $169. Here's the average cost by storage unit size: The average cost of a small, 5'x5' storage unit in Diamond Bar is $72 per month. The average cost of a medium, 10'x10' storage unit in Diamond Bar is $155 per month. The average cost of a large, 10'x20' storage unit in Diamond Bar is $331 per month.

Storage Units at 275 S Prospectors Rd, Diamond Bar, CA

4.7 | 284 Reviews

275 S Prospectors Rd
Diamond Bar, CA 91765

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

Current Customers: (909) 860-3660

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

Get directions

Services at This Facility

Our friendly store manager can provide more details about any of this facility’s available services. Amenities may vary by facility.

Store Amenities

Third Party Insurance or Protection Plan Options Available Protect yourself against the unlikely loss or damage of your belongings with insurance.
Outside Parking: Enjoy convenient, affordable vehicle storage at our facility.
Dollies and/or Handcarts Available: We have what you need to easily move your items from point A to point B.
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

Packing Supplies Sold Here: Enjoy affordable prices on a variety of high-quality packing supplies.
Military Discounts Available: Show us your active duty military ID at move-in to enjoy a 5% discount.

About This Facility

With a convenient location and flexible gate and office hours, the facility in Diamond Bar, CA is geared toward helping busy people like you.

Should you require assistance, our friendly, courteous managers are at your service with their impeccable, award-winning Customer service.
Skip the contract by opting for a convenient, hassle-free month-to-month storage lease.

Breathe easy when storing your belongings in our storage units thanks to a variety of premium safety and security features like top-notch security gates at most locations, 24-hour video recording and brightly lit areas.
Don't sweat it if you forget something because supplies like locks, tape, shelving and boxes are available on-site for your convenience.

Discover why over 1 million satisfied Customers have chosen , one of the most trusted names in storage.

View Facility Details

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

Apply