22 listings with more than 340 climate-controlled storage units in and around New Castle, DE
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
Storage Rentals of America - 2 Bellecor Drive, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$28Small 5x5$86Medium 10x10$219Large 10x25
Store Space Self Storage - 1020 Bear Road, New Castle, DE 19720
- Climate-Controlled
- Indoor
- 24 hour access
$86Small 5x5$132Medium 10x10$234Large 10x20
Public Storage - 4093 New Castle Avenue, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Retail Available
$60Small 5x5$98Medium 10x10$206Large 10x20
Storage Rentals of America - 950 Red Lion Road, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$41Small 5x5$93Medium 10x10$73Large 10x20
Extra Space Storage - 144 South Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$48Small 4x5$157Medium 10x10$250Large 10x20
CubeSmart Self Storage - 4008 North Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Retail Available
$10Small 5x5$98Medium 10x10$184Large 10x20
Sentinel Self Storage - 465 Pulaski Hwy, New Castle, DE 19720
- Climate-Controlled
- 24 hour access
- Drive-Up Access
$22Small 5x5$82Medium 10x15$97Large 10x20
Extra Space Storage - 831 South Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Retail Available
$29Small 5x4$115Medium 10x10$207Large 10x20
Public Storage - 3801 Dupont Pkwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$46Small 5x5$160Medium 10x10$316Large 10x20
Reybold Lifestyle Self Storage - 192 Bear Christiana Road, Bear, DE 19701
- Climate-Controlled
- Indoor
- Drive-Up Access
$94Small 5x5$90Medium 9x18$251Large 10x20
Sentinel Self Storage - 200 First State Blvd, Wilmington, DE 19804
- Climate-Controlled
- Indoor
- 24 hour access
$29Small 5x5$44Medium 10x10
Extra Space Storage - 227 Chapman Road, Newark, DE 19702
- Climate-Controlled
- Indoor
- Retail Available
$41Small 10x5$145Medium 10x10$301Large 10x20
Storage Rentals of America - 101 Executive Drive, Newark, DE 19702
- Climate-Controlled
- Indoor
- Drive-Up Access
$5Small 4x4$86Medium 10x10$165Large 10x25
SmartStop Self Storage - 401 Bellevue Road, Newark, DE 19713
- Climate-Controlled
- Indoor
- Retail Available
$68Small 5x10$184Medium 10x10$443Large 10x30
Extra Space Storage - 121 Ruthar Drive, Newark, DE 19711
- Climate-Controlled
- Indoor
- 24 hour access
$77Small 5x5$136Medium 10x18$198Large 11x45
iStorage - 4016 North Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$33Small 5x5$136Medium 10x10$50Large 12x20
CubeSmart Self Storage - 1 Forge Drive, Newark, DE 19711
- Climate-Controlled
- Indoor
- Retail Available
$22Small 5x5$146Medium 10x15$133Large 12x30
Public Storage - 3800 Kirkwood Hwy, Wilmington, DE 19808
- Climate-Controlled
- Indoor
- Drive-Up Access
$152Small 5x15$235Medium 10x10$239Large 10x20
Storage Rentals of America - 2090 Stafford Way, Newark, DE 19711
- Climate-Controlled
- Indoor
- Drive-Up Access
$33Small 5x5$98Medium 10x10$173Large 10x20
Storage Rentals of America - 50 Dodson Avenue, Wilmington, DE 19804
- Climate-Controlled
- Indoor
- Drive-Up Access
$77Small 5x5$186Medium 10x10$299Large 10x20
Extra Space Storage - 3420 Kirkwood Hwy, Wilmington, DE 19808
- Climate-Controlled
- Indoor
- Drive-Up Access
$69Small 5x4$247Medium 10x10$426Large 10x20
Storage Rentals of America - 1 PGA Blvd, Bear, DE 19701
- Climate-Controlled
- Indoor
- Drive-Up Access
$27Small 5x5$102Medium 10x10$95Large 10x20
Trending storage types in New Castle:
Check out climate-controlled storage units in nearby cities:
- Chadds Ford, PA 15 mi away from $34/mo
- Avondale, PA 15 mi away from $25/mo
- Kennett Square, PA 17 mi away from $80/mo
- Swedesboro, NJ 17 mi away from $71/mo
- Aston, PA 18 mi away from $35/mo
- Brookhaven, PA 20 mi away from $22/mo
- West Chester, PA 21 mi away from $26/mo
- Mullica Hill, NJ 21 mi away from $68/mo
- Media, PA 22 mi away from $67/mo
- Oxford, PA 22 mi away from $66/mo
- Springfield, PA 25 mi away from $59/mo
- Glenolden, PA 25 mi away from $27/mo
- Mantua, NJ 25 mi away from $48/mo
- Sharon Hill, PA 26 mi away from $86/mo
- King of Prussia, PA 34 mi away from $47/mo
- Conshohocken, PA 35 mi away from $36/mo
- Philadelphia, PA 36 mi away from $10/mo
- Riverside, MD 36 mi away from $74/mo
- White Marsh, MD 50 mi away from $12/mo
Need more options? Browse storage units in other Delaware cities!
Average storage prices in New Castle (updated May 2026)
With prices starting at $8, 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 New Castle is $122.
Prices typically vary depending on the unit size and whether it’s climate controlled.
| Unit Size | Non-Climate-Controlled Units | Climate-Controlled Units |
|---|---|---|
| 5x5 | $45 | $45 |
| 5x10 | $69 | $77 |
| 10x10 | $114 | $129 |
| 10x15 | $161 | $179 |
| 10x20 | $213 | $217 |
| 10x30 | $252 | $259 |
| Average (all sizes) | $142 | $151 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in New Castle, DE
Finding the right climate-controlled storage in New Castle, DE is crucial for protecting your valuable items. Renting a climate-controlled storage unit in New Castle hovers around $151 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $45.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $259.
There are 9 facilities in New Castle, DE 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.