31 listings with more than 528 climate-controlled storage units in New Castle County, 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 - 101 Executive Drive, Newark, DE 19702
- Climate-Controlled
- Indoor
- Drive-Up Access
$9Small 4x4$134Medium 10x10$148Large 10x20
Reybold Lifestyle Self Storage - 192 Bear Christiana Road, Bear, DE 19701
- Climate-Controlled
- Indoor
- Drive-Up Access
$94Small 5x5$90Medium 9x18$251Large 10x20![Storage Units for Rent available at 200 First State Blvd, Wilmington, DE 19804]()
Sentinel Self Storage - 200 First State Blvd, Wilmington, DE 19804
- Climate-Controlled
- Indoor
- 24 hour access
$14Small 5x5$44Medium 10x10![Storage Units for Rent available at 2 Bellecor Drive, New Castle, DE 19720]()
Storage Rentals of America - 2 Bellecor Drive, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$24Small 5x5$76Medium 10x10$187Large 10x30![Storage Units for Rent available at 401 Bellevue Road, Newark, DE 19713]()
SmartStop Self Storage - 401 Bellevue Road, Newark, DE 19713
- Climate-Controlled
- Indoor
- Retail Available
$34Small 5x5$153Medium 10x10$314Large 10x20![Storage Units for Rent available at 1050 Ridge Road, Claymont, DE 19703]()
iStorage - 1050 Ridge Road, Claymont, DE 19703
- Climate-Controlled
- Indoor
- Drive-Up Access
$257Medium 10x10![Storage Units for Rent available at 227 Chapman Road, Newark, DE 19702]()
Extra Space Storage - 227 Chapman Road, Newark, DE 19702
- Climate-Controlled
- Indoor
- Retail Available
$45Small 10x5$158Medium 10x10$391Large 10x20![Storage Units for Rent available at 2105 Philadelphia Pike, Claymont, DE 19703]()
Extra Space Storage - 2105 Philadelphia Pike, Claymont, DE 19703
- Climate-Controlled
- Indoor
- 24 hour access
$51Small 5x5$145Medium 10x10$178Large 10x20![Storage Units for Rent available at 121 Ruthar Drive, Newark, DE 19711]()
Extra Space Storage - 121 Ruthar Drive, Newark, DE 19711
- Climate-Controlled
- Indoor
- 24 hour access
$89Small 5x5$127Medium 10x18$233Large 11x45![Storage Units for Rent available at 213 East Main Street, Middletown, DE 19709]()
Sentinel Self Storage - 213 East Main Street, Middletown, DE 19709
- Climate-Controlled
- Drive-Up Access
- Onsite Manager
$48Small 5x10$76Medium 10x10$125Large 10x20![Storage Units for Rent available at 4016 North Dupont Hwy, New Castle, DE 19720]()
iStorage - 4016 North Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$33Small 5x5$108Medium 10x10$50Large 12x20![Storage Units for Rent available at 1100 Elkton Road, Newark, DE 19711]()
Sentinel Self Storage - 1100 Elkton Road, Newark, DE 19711
- Climate-Controlled
- 24 hour access
- Drive-Up Access
$22Small 5x5![Storage Units for Rent available at 1020 Bear Road, New Castle, DE 19720]()
Store Space Self Storage - 1020 Bear Road, New Castle, DE 19720
- Climate-Controlled
- Indoor
- 24 hour access
$86Small 5x5$126Medium 10x10$234Large 10x20![Storage Units for Rent available at 141 Edgemoor Road, Wilmington, DE 19809]()
Sentinel Self Storage - 141 Edgemoor Road, Wilmington, DE 19809
- Climate-Controlled
- Indoor
- 24 hour access
$59Small 5x15$79Medium 10x10$194Large 10x20![Storage Units for Rent available at 4093 New Castle Avenue, New Castle, DE 19720]()
Public Storage - 4093 New Castle Avenue, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Retail Available
$57Small 5x5$82Medium 10x10$126Large 12x30![Storage Units for Rent available at 1 Forge Drive, Newark, DE 19711]()
CubeSmart Self Storage - 1 Forge Drive, Newark, DE 19711
- Climate-Controlled
- Indoor
- Retail Available
$7Small 5x5$42Medium 10x10$137Large 10x20![Storage Units for Rent available at 504 Industrial Drive, Middletown, DE 19709]()
Sentinel Self Storage - 504 Industrial Drive, Middletown, DE 19709
- Climate-Controlled
- Indoor
- 24 hour access
$50Small 5x10$88Medium 10x10![Storage Units for Rent available at 3800 Kirkwood Hwy, Wilmington, DE 19808]()
Public Storage - 3800 Kirkwood Hwy, Wilmington, DE 19808
- Climate-Controlled
- Indoor
- Drive-Up Access
$79Small 5x5$206Medium 10x10$259Large 10x20![Storage Units for Rent available at 2090 Stafford Way, Newark, DE 19711]()
Storage Rentals of America - 2090 Stafford Way, Newark, DE 19711
- Climate-Controlled
- Indoor
- Drive-Up Access
$28Small 3x5$123Medium 10x10$124Large 10x20![Storage Units for Rent available at 50 Dodson Avenue, Wilmington, DE 19804]()
Storage Rentals of America - 50 Dodson Avenue, Wilmington, DE 19804
- Climate-Controlled
- Indoor
- Drive-Up Access
$103Small 5x10$169Medium 10x10![Storage Units for Rent available at 950 Red Lion Road, New Castle, DE 19720]()
Storage Rentals of America - 950 Red Lion Road, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$35Small 5x5$129Medium 10x10$78Large 10x20![Storage Units for Rent available at 2523 Lamotte Street, Wilmington, DE 19802]()
Storage Rentals of America - 2523 Lamotte Street, Wilmington, DE 19802
- Climate-Controlled
- Indoor
- Drive-Up Access
$22Small 5x5$116Medium 10x10$26Large 10x20![Storage Units for Rent available at 144 South Dupont Hwy, New Castle, DE 19720]()
Extra Space Storage - 144 South Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$49Small 4x5$168Medium 10x10$265Large 10x20![Storage Units for Rent available at 3420 Kirkwood Hwy, Wilmington, DE 19808]()
Extra Space Storage - 3420 Kirkwood Hwy, Wilmington, DE 19808
- Climate-Controlled
- Indoor
- Drive-Up Access
$66Small 5x4$275Medium 10x10$356Large 10x20![Storage Units for Rent available at 4008 North Dupont Hwy, New Castle, DE 19720]()
CubeSmart Self Storage - 4008 North Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Retail Available
$8Small 5x5$86Medium 10x10$147Large 10x20![Storage Units for Rent available at 465 Pulaski Hwy, New Castle, DE 19720]()
Sentinel Self Storage - 465 Pulaski Hwy, New Castle, DE 19720
- Climate-Controlled
- 24 hour access
- Drive-Up Access
$18Small 5x5$52Medium 10x10![Storage Units for Rent available at 1 PGA Blvd, Bear, DE 19701]()
Storage Rentals of America - 1 PGA Blvd, Bear, DE 19701
- Climate-Controlled
- Indoor
- Drive-Up Access
$21Small 5x5$106Medium 10x10$74Large 10x20![Storage Units for Rent available at 4601 North Market Street, Wilmington, DE 19802]()
CubeSmart Self Storage - 4601 North Market Street, Wilmington, DE 19802
- Climate-Controlled
- Drive-Up Access
- Retail Available
$16Small 5x5$108Medium 10x10$197Large 20x10![Storage Units for Rent available at 831 South Dupont Hwy, New Castle, DE 19720]()
Extra Space Storage - 831 South Dupont Hwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Retail Available
$42Small 5x4$156Medium 10x10$209Large 10x20![Storage Units for Rent available at 3801 Dupont Pkwy, New Castle, DE 19720]()
Public Storage - 3801 Dupont Pkwy, New Castle, DE 19720
- Climate-Controlled
- Indoor
- Drive-Up Access
$43Small 5x5$148Medium 10x10$256Large 10x20
Need more options? Browse storage units in other Delaware cities!
Average storage prices in New Castle County (updated April 2026)
With prices starting at $7, 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 | $51 | $50 |
| 5x10 | $78 | $85 |
| 10x10 | $126 | $146 |
| 10x15 | $178 | $194 |
| 10x20 | $193 | $246 |
| 10x30 | $361 | $389 |
| Average (all sizes) | $164 | $185 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in New Castle County, DE
Finding the right climate-controlled storage in New Castle County, DE is crucial for protecting your valuable items. Renting a climate-controlled storage unit in New Castle County hovers around $185 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $50.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $389.
There are 31 facilities in New Castle County, 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.