49 listings with more than 871 climate-controlled storage units in Charleston County, SC
Not sure what size you need? See our size guide!
Not sure what size you need? See our size guide!
CubeSmart Self Storage - 3665 Bohicket Road, Johns Island, SC 29455
- Climate-Controlled
- Drive-Up Access
- Security Camera
$46Small 5x10$54Medium 10x10$120Large 12x40
Extra Space Storage - 1951 Maybank Hwy, Charleston, SC 29412
- Climate-Controlled
- Indoor
- 24 hour access
$42Small 5x4$159Medium 8x15$298Large 10x20
Extra Space Storage - 1861 Ashley River Road, Charleston, SC 29407
- Climate-Controlled
- Indoor
- Retail Available
$48Small 5x4$166Medium 5x20$314Large 10x20
Public Storage - 10471 Highway 78 East, Summerville, SC 29483
- Climate-Controlled
- Indoor
- Drive-Up Access
$60Small 10x7.5$65Medium 10x10$155Large 10x20
Public Storage - 1833 Sam Rittenberg Blvd, Charleston, SC 29407
- Climate-Controlled
- Indoor
- Drive-Up Access
$53Small 5x10$124Medium 10x10$263Large 10x20
CubeSmart Self Storage - 2170 Greenridge Road, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- Drive-Up Access
$32Small 5x5$66Medium 10x10$155Large 10x20
Go Store It - 3455 Maybank Hwy, Johns Island, SC 29455
- Climate-Controlled
- Indoor
- 24 hour access
$43Small 5x5$96Medium 10x10$71Large 12x20
Public Storage - 5508 North Rhett Avenue, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- 24 hour access
$75Small 5x5$158Medium 10x10$306Large 10x20
Extra Room Self Storage - 8911 University Blvd, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- Drive-Up Access
$64Small 5x5$97Medium 10x10$80Large 10x20
Go Store It - 951 Folly Road, Charleston, SC 29412
- Climate-Controlled
- Indoor
- Retail Available
$86Small 5x10$128Medium 10x10$246Large 10x20
Extra Space Storage - 1514 Mathis Ferry Road, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- Drive-Up Access
$18Small 5x3$57Medium 5x20
Public Storage - 5715 Dorchester Road, Charleston, SC 29418
- Climate-Controlled
- Indoor
- Drive-Up Access
$44Small 5x5$174Medium 10x10$172Large 10x20
Extra Space Storage - 8850 Rivers Avenue, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- 24 hour access
$65Small 5x5$126Medium 12x15$126Large 12x20
Trunk Space Storage - 1455 Folly Road, Charleston, SC 29412
- Climate-Controlled
- Indoor
- Drive-Up Access
Extra Space Storage - 3510 Glenn McConnell Pkwy, Charleston, SC 29414
- Climate-Controlled
- Indoor
- 24 hour access
$48Small 12x2$175Medium 10x10$205Large 8x25
MyPlace Self Storage - 2455 Ashley River Road, Charleston, SC 29414
- Climate-Controlled
- Indoor
- Drive-Up Access
$28Small 5x5$58Medium 10x10$106Large 12x20
SecurCare Self Storage - 3180 Marginal Road, Charleston, SC 29414
- Climate-Controlled
- Indoor
- Drive-Up Access
$37Small 5x5$91Medium 10x15$196Large 10x30
Extra Space Storage - 1426 North Highway 17, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- 24 hour access
$58Small 4x5$210Medium 10x10$368Large 10x20
Public Storage - 1439 Folly Road, Charleston, SC 29412
- Climate-Controlled
- Indoor
- Drive-Up Access
$32Small 5x5$80Medium 10x10$184Large 10x20
Public Storage - 2560 Ashley Phosphate Road, Charleston, SC 29418
- Climate-Controlled
- Drive-Up Access
- Retail Available
$38Small 5x5$71Medium 10x10$146Large 10x20
Extra Space Storage - 1640 James Nelson Road, Mt Pleasant, SC 29464
- Climate-Controlled
- Indoor
- 24 hour access
$61Small 5x4$198Medium 10x10$553Large 10x20
Extra Space Storage - 1471 Center Street Ext, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- Drive-Up Access
$41Small 5x5$145Medium 10x10$226Large 10x20
Go Store It - 58 Belle Point Drive, Mt. Pleasant, SC 29464
- Climate-Controlled
- Indoor
- 24 hour access
$53Small 5x5$161Medium 10x15$166Large 10x20
Go Store It - 17 Walnut Street, Charleston, SC 29403
- Climate-Controlled
- Indoor
- Retail Available
$24Small 3x3$207Medium 10x10$85Large 12x20
Island Storage - 3153-A Maybank Hwy, Charleston, SC 29455
- Climate-Controlled
- Indoor
- Drive-Up Access
Extra Space Storage - 6941 Rivers Avenue, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- 24 hour access
$57Small 5x5$120Medium 8x18$285Large 10x20
Public Storage - 3366 Ladson Road, Ladson, SC 29456
- Climate-Controlled
- Indoor
- Drive-Up Access
$21Small 4x4$123Medium 14x8$149Large 10x20
Extra Space Storage - 1108 Stockade Lane, Mount Pleasant, SC 29466
- Climate-Controlled
- Indoor
- 24 hour access
$46Small 5x5$110Medium 10x10$183Large 10x20
Public Storage - 445 Faison Road, Mount Pleasant, SC 29466
- Climate-Controlled
- Indoor
- Retail Available
$13Small 5x5$60Medium 10x10$144Large 10x20
Public Storage - 2363 Ashley River Road, Charleston, SC 29414
- Climate-Controlled
- Indoor
- Drive-Up Access
$35Small 5x5$109Medium 10x10$186Large 10x20
Need more options? Browse storage units in other South Carolina cities!
- Charleston, SC from $24/mo
- Columbia, SC from $9/mo
- North Charleston, SC from $38/mo
- North Charleston, SC from $38/mo
- Mount Pleasant, SC from $13/mo
- Rock Hill, SC from $18/mo
- Greenville, SC from $26/mo
- Summerville, SC from $21/mo
- Goose Creek, SC from $23/mo
- Greer, SC from $130/mo
- Spartanburg, SC from $6/mo
- Myrtle Beach, SC from $46/mo
- Hilton Head Island, SC from $14/mo
- Bluffton, SC from $25/mo
- Aiken, SC from $19/mo
- Fort Mill, SC from $25/mo
- Anderson, SC from $24/mo
- Conway, SC from $140/mo
- Mauldin, SC from $16/mo
- Simpsonville, SC from $23/mo
Average storage prices in Charleston County (updated April 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 | $40 | $66 |
| 5x10 | $65 | $100 |
| 10x10 | $123 | $171 |
| 10x15 | $166 | $232 |
| 10x20 | $212 | $327 |
| 10x30 | $306 | $473 |
| 20x30 | $507 | $524 |
| Average (all sizes) | $203 | $270 |
Note: Street rate data provided by Yardi Matrix.
Check out climate-controlled storage prices in Charleston County, SC
Finding the right climate-controlled storage in Charleston County, SC is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Charleston County hovers around $270 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $66.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $473.
There are 49 facilities in Charleston County, SC 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.