17 listings with more than 236 climate-controlled storage units in and around Middletown, DE
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
Sentinel Self Storage - 213 East Main Street, Middletown, DE 19709
- Climate-Controlled
- Drive-Up Access
- Onsite Manager
$48Small 5x10$72Medium 10x10$134Large 10x20
Sentinel Self Storage - 504 Industrial Drive, Middletown, DE 19709
- Climate-Controlled
- Indoor
- 24 hour access
$48Small 5x10$88Medium 10x10![Storage Units for Rent available at 101 Executive Drive, Newark, DE 19702]()
Storage Rentals of America - 101 Executive Drive, Newark, DE 19702
- Climate-Controlled
- Indoor
- Drive-Up Access
$5Small 4x4$86Medium 10x10$165Large 10x25![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$132Medium 10x10$234Large 10x20![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
$41Small 5x5$93Medium 10x10$73Large 10x20![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
$27Small 5x5$102Medium 10x10$95Large 10x20![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
$29Small 5x4$115Medium 10x10$207Large 10x20![Storage Units for Rent available at 192 Bear Christiana Road, Bear, DE 19701]()
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 300 East Pulaski Hwy, Elkton, MD 21921]()
CubeSmart Self Storage - 300 East Pulaski Hwy, Elkton, MD 21921
- Climate-Controlled
- Indoor
- Drive-Up Access
$27Small 5x5$79Medium 10x10$70Large 12x35![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
$68Small 5x10$184Medium 10x10$443Large 10x30![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
$41Small 10x5$145Medium 10x10$301Large 10x20![Storage Units for Rent available at 705A Northside Plaza, Elkton, MD 21921]()
Elkton Road Self Storage - 705A Northside Plaza, Elkton, MD 21921
- Climate-Controlled
- Drive-Up Access
- Security Camera
![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
$49Small 5x5![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
$48Small 4x5$157Medium 10x10$250Large 10x20![Storage Units for Rent available at 5 Coachman Drive, Elkton, MD 21921]()
A Storage Depot - 5 Coachman Drive, Elkton, MD 21921
- Climate-Controlled
- Indoor
- Drive-Up Access
$69Small 10x5$127Medium 10x10$26Large 10x30![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
$22Small 5x5$82Medium 10x15$97Large 10x20![Storage Units for Rent available at 4 Coachman Drive, Elkton, MD 21921]()
CubeSmart Self Storage - 4 Coachman Drive, Elkton, MD 21921
- Climate-Controlled
- Indoor
- Drive-Up Access
$62Medium 10x10$75Large 12x20
Trending storage types in Middletown:
Check out climate-controlled storage units in nearby cities:
- Avondale, PA 24 mi away from $25/mo
- Havre de Grace, MD 26 mi away from $70/mo
- Chadds Ford, PA 26 mi away from $34/mo
- Oxford, PA 26 mi away from $66/mo
- Kennett Square, PA 27 mi away from $80/mo
- Swedesboro, NJ 27 mi away from $71/mo
- Aberdeen, MD 28 mi away from $44/mo
- Aston, PA 30 mi away from $35/mo
- Mullica Hill, NJ 30 mi away from $68/mo
- Riverside, MD 30 mi away from $74/mo
- Brookhaven, PA 31 mi away from $22/mo
- West Chester, PA 33 mi away from $26/mo
- Abingdon, MD 33 mi away from $27/mo
- Media, PA 34 mi away from $67/mo
- White Marsh, MD 43 mi away from $12/mo
- King of Prussia, PA 45 mi away from $47/mo
- Conshohocken, PA 46 mi away from $36/mo
- Philadelphia, PA 47 mi away from $10/mo
Need more options? Browse storage units in other Delaware cities!
Average storage prices in Middletown (updated May 2026)
With prices starting at $49, 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 Middletown is $166.
Prices typically vary depending on the unit size and whether it’s climate controlled.
| Unit Size | Non-Climate-Controlled Units | Climate-Controlled Units |
|---|---|---|
| 5x5 | $79 | $79 |
| 5x10 | $52 | $87 |
| 10x10 | $82 | $120 |
| 10x15 | $103 | $108 |
| 10x20 | $125 | $125 |
| 10x30 | $423 | $423 |
| Average (all sizes) | $144 | $157 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in Middletown, DE
Finding the right climate-controlled storage in Middletown, DE is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Middletown hovers around $157 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $79.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $423.
There are 2 facilities in Middletown, 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.