CubeSmart Self Storage of Diamond Bar
This place has a customer for life, anytime I need storage I'm coming here.
See All Customer Reviews
CubeSmart Self Storage of Diamond Bar

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
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.
- 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.
- Handcarts and/or Dollies Available: Get your items from your vehicle into your unit quickly and easily.
- 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.
- Packing Supplies Available: If you forgot any supplies at home, just pick up what you need here.
- Military Discounts Available: Show us your active duty military ID at move-in to enjoy a 5% discount.
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
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
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.
- 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.
- Handcarts and/or Dollies Available: Get your items from your vehicle into your unit quickly and easily.
- 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.
- Packing Supplies Available: If you forgot any supplies at home, just pick up what you need here.
- Military Discounts Available: Show us your active duty military ID at move-in to enjoy a 5% discount.
This place has a customer for life, anytime I need storage I'm coming here.
See All Customer ReviewsUp 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
Select Your Storage Unit Below
Choose from small, medium, large, and parking spaces; no credit card required.