25 listings with more than 507 climate-controlled storage units in Union County, NJ
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
Extra Space Storage - 1229 US Highway 22, Mountainside, NJ 07092
- Climate-Controlled
- Indoor
- Drive-Up Access
$47Small 5x4$127Medium 10x15$156Large 10x20
Extra Space Storage - 700 Green Lane, Union, NJ 07083
- Climate-Controlled
- Indoor
- 24 hour access
$79Small 5x5$223Medium 10x10$408Large 10x20
All Seasons Self Storage - 550 South Avenue, Garwood, NJ 07027
- Climate-Controlled
- Indoor
- Drive-Up Access
$80Small 5x5
Extra Space Storage - 1711 West Edgar Road, Linden, NJ 07036
- Climate-Controlled
- Indoor
- 24 hour access
$49Small 5x5$219Medium 10x10$491Large 10x20
Manhattan Mini Storage - 22 US - 22, Springfield, NJ 07081
- Climate-Controlled
- Indoor
- Retail Available
$69Small 5x10$119Medium 7x20$244Large 10x20
Extra Space Storage - 2401 Vauxhall Road, Union, NJ 07083
- Climate-Controlled
- Indoor
- Drive-Up Access
$72Small 5x5$209Medium 10x10$392Large 10x20
Public Storage - 1062 US Highway 22, Mountainside, NJ 07092
- Climate-Controlled
- Indoor
- Drive-Up Access
$40Small 5x5$183Medium 10x10$272Large 10x20
Public Storage - 1750 Route 22 East, Scotch Plains, NJ 07076
- Climate-Controlled
- Indoor
- Retail Available
$46Small 5x5$142Medium 10x10$381Large 10x20
CubeSmart Self Storage - 1710 Route 22 E, Union, NJ 07083
- Climate-Controlled
- Indoor
- Retail Available
$34Small 5x5$244Medium 10x10$489Large 10x20
SmartStop Self Storage - 2255 Elizabeth Avenue, Rahway, NJ 07065
- Climate-Controlled
- Indoor
- 24 hour access
$42Small 5x5$136Medium 10x10$228Large 10x20
Bright Box Self Storage - 639 South Avenue, Plainfield, NJ 07062
- Climate-Controlled
- Indoor
- Retail Available
$45Small 4x4$154Medium 10x10$289Large 10x20
Access Self Storage - 750 Boulevard, Kenilworth, NJ 07033
- Climate-Controlled
- Indoor
- 24 hour access
$63Small 5x4$187Medium 10x10$579Large 12x24
Access Self Storage - 360 Central Avenue, Clark, NJ 07066
- Climate-Controlled
- Indoor
- Drive-Up Access
$35Small 5x5$229Medium 10x10$417Large 10x20
City Closet Storage - 2395 Springfield Avenue, Vauxhall, NJ 07088
- Climate-Controlled
- Indoor
- Retail Available
$45Small 5x5$89Medium 10x10$212Large 10x20
Safeguard Self Storage - 140 Spring Street, Elizabeth, NJ 07201
- Climate-Controlled
- Indoor
- Retail Available
$29Small 5x5$129Medium 10x10$219Large 10x20
Storage Post - 401 South Park Avenue, Linden, NJ 07036
- Climate-Controlled
- Indoor
- 24 hour access
$51Small 5x5$193Medium 10x10$452Large 10x20
Extra Space Storage - 2035 US-22 West, Union, NJ 07083
- Climate-Controlled
- Indoor
- 24 hour access
$11Small 4x4$118Medium 10x10$266Large 10x20
Extra Space Storage - 480 Allen Street, Elizabeth, NJ 07202
- Climate-Controlled
- Indoor
- 24 hour access
$47Small 5x5$151Medium 10x10$278Large 10x25
Prime Storage - 615 East 1st Avenue, Roselle, NJ 07203
- Climate-Controlled
- Indoor
- 24 hour access
$68Small 5x5$186Medium 5x20$286Large 10x20
Extra Space Storage - 310 Snyder Avenue, Berkeley Heights, NJ 07922
- Climate-Controlled
- Indoor
- 24 hour access
$11Small 5x4$95Medium 10x10$134Large 10x20
CubeSmart Self Storage - 1074 Raritan Road, Clark, NJ 07066
- Climate-Controlled
- Indoor
- Retail Available
$57Small 5x5$210Medium 10x10$607Large 10x20
Public Storage - 625 Glenwood Avenue, Hillside, NJ 07205
- Climate-Controlled
- Indoor
- Drive-Up Access
Safeguard Self Storage - 1096 US Highway 22, Mountainside, NJ 07092
- Climate-Controlled
- Indoor
- 24 hour access
$29Small 5x5$135Medium 10x10$319Large 10x20
Public Storage - 135 Industrial Road, Berkeley Heights, NJ 07922
- Climate-Controlled
- Indoor
- Retail Available
$22Small 5x5$74Medium 10x10$142Large 10x20
Extra Space Storage - 165 Division Street, Elizabeth, NJ 07201
- Climate-Controlled
- Indoor
- Drive-Up Access
$43Small 5x4$166Medium 10x10$283Large 10x20
Need more options? Browse storage units in other New Jersey cities!
- Newark, NJ from $6/mo
- Jersey City, NJ from $30/mo
- Paterson, NJ from $31/mo
- Elizabeth, NJ from $35/mo
- Edison, NJ from $34/mo
- Toms River, NJ from $7/mo
- Trenton, NJ from $31/mo
- Clifton, NJ from $30/mo
- Brick, NJ from $29/mo
- Cherry Hill, NJ from $29/mo
- Middletown, NJ from $96/mo
- Bayonne, NJ from $29/mo
- Passaic, NJ from $18/mo
- Union City, NJ from $58/mo
- Berkeley, NJ from $41/mo
- Hamilton, NJ from $68/mo
- Jackson, NJ from $24/mo
- Union, NJ from $18/mo
- North Bergen, NJ from $19/mo
- Hoboken, NJ from $98/mo
Average storage prices in Union County (updated August 2026)
With prices starting at $13, you’ll find everything from compact locker-sized units to large spaces for cars, RVs or household goods.
Prices typically vary depending on the unit size and whether it’s climate controlled.
| Unit Size | Non-Climate-Controlled Units | Climate-Controlled Units |
|---|---|---|
| 5x5 | $55 | $57 |
| 5x10 | $114 | $104 |
| 10x10 | $221 | $192 |
| 10x15 | $278 | $254 |
| 10x20 | $447 | $384 |
| 10x30 | $546 | $537 |
| Average (all sizes) | $277 | $255 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in Union County, NJ
Finding the right climate-controlled storage in Union County, NJ is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Union County hovers around $255 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $57.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $537.
There are 25 facilities in Union County, NJ offering climate-controlled storage options, ensuring you can find a unit that meets your needs.
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.