CubeSmart Self Storage - Diamond Bar

275 S Prospectors Rd, Diamond Bar, CA 91765

Storage Units

*Prices are subject to change based on availability

Select a unit to see full pricing with additional fees displayed.

5' x 5' Unit

50% Off and First Month Free

  • Upstairs via Elevator
  • Interior

Web Only Special

$54.50 per month

$109

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 5' Unit

50% Off and First Month Free

  • Upstairs via Elevator
  • Interior

Web Only Special

$59.00 per month

$118

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 5' Unit

50% Off and First Month Free

  • Upstairs via Elevator
  • Interior

Web Only Special

$63.50 per month

$127

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 10' Unit

35% Off

  • Upstairs via Elevator
  • Interior

Web Only Special

$65.00 per month

$100

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 10' Unit

35% Off

  • Upstairs via Elevator
  • Interior

Web Only Special

$70.85 per month

$109

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 10' Unit

35% Off

  • Upstairs via Elevator
  • Interior

Web Only Special

$76.05 per month

$117

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 10' Unit

50% Off and First Month Free

  • Drive Up Access
  • Outdoor Access

Web Only Special

$107.50 per month

$215

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

5' x 17' Unit

35% Off

  • Upstairs via Elevator
  • Interior

Web Only Special

$98.15 per month

$151

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 10' Unit

35% Off

  • Upstairs via Elevator
  • Interior

Web Only Special

$101.40 per month

$156

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 10' Unit

35% Off

  • Upstairs via Elevator
  • Interior

Web Only Special

$109.20 per month

$168

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 12' Unit

50% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$121.00 per month

$242

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 15' Unit

50% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$136.50 per month

$273

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 15' Unit

50% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$147.50 per month

$295

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 15' Unit

50% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$158.50 per month

$317

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 15' Unit

35% Off and Half Off First Month

  • 1st Floor
  • Interior

Web Only Special

$185.25 per month

$285

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 18' Unit

50% Off and First Month Free

  • Upstairs via Elevator
  • Interior

Web Only Special

$211.50 per month

$423

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 18' Unit

50% Off and First Month Free

  • Drive Up Access
  • Outdoor Access

Web Only Special

$306.00 per month

$612

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 20' Unit

50% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$222.50 per month

$445

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 22' Unit

35% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$244.40 per month

$376

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 22' Unit

50% Off and First Month Free

  • 1st Floor
  • Interior

Web Only Special

$274.50 per month

$549

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 22' Unit

50% Off and First Month Free

  • 1st Floor
  • Interior

Web Only Special

$296.50 per month

$593

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 25' Unit

50% Off and Half Off First Month

  • Upstairs via Elevator
  • Interior

Web Only Special

$285.00 per month

$570

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 28' Unit

50% Off and Second Month Free

  • Drive Up Access
  • Outdoor Access

Web Only Special

$470.50 per month

$941

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

10' x 38' Unit

50% Off and Second Month Free

  • Drive Up Access
  • Outdoor Access

Web Only Special

$647.00 per month

$1,294

+ $29 in fees

The following fees shall apply:

  • One-Time Admin Fee - $29

Reviews

Reviews originally collected from the SpareFoot Marketplace.

4.5 out of 5 stars

44 Total Reviews

Rental of storage unit

by JoAnne Hoffman

May 3, 2025

5 out of 5 stars

Clean facility, security cameras, friendly professional staff

very good

by weiping Hu

April 7, 2025

5 out of 5 stars

Convenient, reasonable price, good service

Good custom service

by Fred

March 17, 2025

5 out of 5 stars

Great facility only thing is there is no light in the locker so be sure to bring a flashlight

Itテ「竄ャ邃「s Excellent!

by Jing Lih Ko

October 7, 2024

5 out of 5 stars

I had a great experience and the manager was very helpful.

good unit

by kayla

June 9, 2024

5 out of 5 stars

good unit all went well, owner was great

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The following fees shall apply:

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