10 listings with more than 118 climate-controlled storage units in the Diamond Bar, CA, area
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
Extra Space Storage - 19937 East Walnut Drive South, Walnut, CA 91789
- Climate-Controlled
- Indoor
- Drive-Up Access
$53Small 4x5$205Medium 10x10$406Large 10x20
Public Storage - 19102 East Walnut Drive North, Rowland Heights, CA 91748
- Climate-Controlled
- Indoor
- Drive-Up Access
Public Storage - 440 East Lambert Road, Brea, CA 92821
- Climate-Controlled
- Indoor
- Retail Available
$83Small 5x5$237Medium 10x10$666Large 10x25
Public Storage - 1330 Cypress Street, Covina, CA 91724
- Climate-Controlled
- Indoor
- Drive-Up Access
$81Small 5x5$181Medium 10x10$291Large 10x20
Instorage Self Storage - 17071 Imperial Hwy, Yorba Linda, CA 92886
- Climate-Controlled
- Indoor
- Drive-Up Access
$49Small 5x10$110Medium 10x10$587Large 10x20
Extra Space Storage - 1960 South San Dimas Canyon Road, La Verne, CA 91750
- Climate-Controlled
- Indoor
- 24 hour access
$84Small 4x5$314Medium 10x10$323Large 10x20
Security Public Storage - 502 Apollo Street, Brea, CA 92821
- Climate-Controlled
- Drive-Up Access
- Retail Available
$122Small 4x5$183Medium 10x15$760Large 10x29
Public Storage - 2710 East Garvey Avenue South, West Covina, CA 91791
- Climate-Controlled
- Indoor
- Drive-Up Access
SecureSpace Self Storage - 2700 East Imperial Hwy, Brea, CA 92821
- Climate-Controlled
- Indoor
- Drive-Up Access
$58Small 5x5$142Medium 10x15$279Large 10x20
Allsize Self Storage - 17357 Los Angeles Street, Yorba Linda, CA 92886
- Climate-Controlled
- Indoor
- Drive-Up Access
$89Small 5x5$213Medium 10x10$410Large 10x20
Trending storage types in Diamond Bar:
Need more options? Browse storage units in other California cities!
- Los Angeles, CA from $15/mo
- San Diego, CA from $22/mo
- San Jose, CA from $33/mo
- San Francisco, CA from $87/mo
- Fresno, CA from $75/mo
- Sacramento, CA from $25/mo
- Long Beach, CA from $93/mo
- Oakland, CA from $46/mo
- Bakersfield, CA from $44/mo
- Anaheim, CA from $55/mo
- Stockton, CA from $25/mo
- Riverside, CA from $73/mo
- Santa Ana, CA from $69/mo
- Irvine, CA from $20/mo
- Chula Vista, CA from $70/mo
- Santa Clarita, CA from $20/mo
- Fremont, CA
- San Bernardino, CA from $64/mo
- Modesto, CA from $57/mo
- Fontana, CA from $89/mo
Average storage prices in Diamond Bar (updated May 2026)
With prices starting at $71, you’ll find everything from compact locker-sized units to large spaces for cars, RVs or household goods. The average monthly rate for a storage unit in Diamond Bar is $189.
Prices typically vary depending on the unit size and whether it’s climate controlled.
| Unit Size | Non-Climate-Controlled Units | Climate-Controlled Units |
|---|---|---|
| 5x5 | $73 | $73 |
| 5x10 | $106 | $106 |
| 10x10 | $176 | $176 |
| 10x15 | $210 | $210 |
| 10x20 | $346 | $346 |
| Average (all sizes) | $182 | $182 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in Diamond Bar, CA
Finding the right climate-controlled storage in Diamond Bar, CA is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Diamond Bar hovers around $182 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $73.
Why you should use climate-controlled self storage?
Climate-controlled storage units maintain a consistent temperature throughout the year, regardless of the outside weather. This type of storage will protect your belongings from the damaging effects of extreme heat and cold.
Climate-controlled storage also manages humidity levels, preventing moisture-related damage like mold and mildew.
Whether you’re storing electronics, antiques, documents, or artwork, climate-controlled units offer the best environment to keep these sensitive items safe.

Frequently asked questions
How safe is self storage?
Most self storage facilities have some level of security, often including surveillance cameras and gated access. Popular security features include video surveillance and secure entry systems. Know that the facility comes with a strong security setup can give you confidence that your belongings are safe until you need them again.
What is climate-controlled storage?
Climate-controlled storage refers to a type of storage where temperature and humidity. The primary goal of climate control is to protect your belongings from environmental damage. Items that are sensitive or fragile, like furniture, appliances or antiques, aren't built to endure fluctuations in temperature and humidity. Without climate control, a standard self storage unit can expose these types of possessions to common damage like mold, mildew, rust, and corrosion.
What items cannot be put in storage?
Generally, avoid storing plants, food, live animals, hazardous and wet items among other. However, ask the facility you plan on renting from to find out the specific list of items that can't be put in storage.
Can I go to my storage unit anytime?
Access to your unit can vary depending on the facility. Some self storage locations offer 24/7 access, while others limit entry to specific operating hours that can vary. It's also a good idea to ask what their access schedule prior renting a unit to see if it matches your needs.
Methodology Note: Self storage data - including pricing and unit information - is analyzed and curated by RentCafe Self Storage. Statements reflect local market coverage and storage availability trends within the area.
Data sources: RentCafe Self Storage Research, Yardi Matrix, U.S. Census.