49 listings with more than 860 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
- Indoor
- Drive-Up Access
Extra Space Storage - 1951 Maybank Hwy, Charleston, SC 29412
- Climate-Controlled
- Indoor
- 24 hour access
$53Small 5x4$149Medium 8x15$348Large 10x20![Storage Units for Rent available at 1861 Ashley River Road, Charleston, SC 29407]()
Extra Space Storage - 1861 Ashley River Road, Charleston, SC 29407
- Climate-Controlled
- Indoor
- Retail Available
$94Small 5x4$303Medium 5x20$500Large 10x20![Storage Units for Rent available at 10471 Highway 78 East, Summerville, SC 29483]()
Public Storage - 10471 Highway 78 East, Summerville, SC 29483
- Climate-Controlled
- Indoor
- Drive-Up Access
$43Small 5x5$78Medium 10x10$187Large 10x20![Storage Units for Rent available at 1833 Sam Rittenberg Blvd, Charleston, SC 29407]()
Public Storage - 1833 Sam Rittenberg Blvd, Charleston, SC 29407
- Climate-Controlled
- Indoor
- Drive-Up Access
$214Medium 10x10$302Large 10x20![Storage Units for Rent available at 2170 Greenridge Road, North Charleston, SC 29406]()
CubeSmart Self Storage - 2170 Greenridge Road, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- Drive-Up Access
$34Small 5x5$91Medium 10x10$141Large 10x20![Storage Units for Rent available at 3455 Maybank Hwy, Johns Island, SC 29455]()
Go Store It - 3455 Maybank Hwy, Johns Island, SC 29455
- Climate-Controlled
- Indoor
- 24 hour access
$96Small 10x5$125Medium 10x10$72Large 12x20![Storage Units for Rent available at 5508 North Rhett Avenue, North Charleston, SC 29406]()
Public Storage - 5508 North Rhett Avenue, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- 24 hour access
$92Small 5x5$129Medium 10x10![Storage Units for Rent available at 8911 University Blvd, North Charleston, SC 29406]()
Extra Room Self Storage - 8911 University Blvd, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- Drive-Up Access
$64Small 5x5$97Medium 10x10$80Large 10x20![Storage Units for Rent available at 951 Folly Road, Charleston, SC 29412]()
Go Store It - 951 Folly Road, Charleston, SC 29412
- Climate-Controlled
- Indoor
- Retail Available
$85Small 5x5$183Medium 10x10$271Large 10x20![Storage Units for Rent available at 1514 Mathis Ferry Road, Mount Pleasant, SC 29464]()
Extra Space Storage - 1514 Mathis Ferry Road, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- Drive-Up Access
$18Small 5x3$73Medium 5x20$141Large 10x20![Storage Units for Rent available at 8850 Rivers Avenue, North Charleston, SC 29406]()
Extra Space Storage - 8850 Rivers Avenue, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- 24 hour access
$76Small 5x5$99Medium 12x15$99Large 12x20![Storage Units for Rent available at 1455 Folly Road, Charleston, SC 29412]()
Trunk Space Storage - 1455 Folly Road, Charleston, SC 29412
- Climate-Controlled
- Indoor
- Drive-Up Access
![Storage Units for Rent available at 3510 Glenn McConnell Pkwy, Charleston, SC 29414]()
Extra Space Storage - 3510 Glenn McConnell Pkwy, Charleston, SC 29414
- Climate-Controlled
- Indoor
- 24 hour access
$58Small 12x2$223Medium 10x10$312Large 8x25![Storage Units for Rent available at 2455 Ashley River Road, Charleston, SC 29414]()
MyPlace Self Storage - 2455 Ashley River Road, Charleston, SC 29414
- Climate-Controlled
- Indoor
- Drive-Up Access
$22Small 5x4$82Medium 10x10$118Large 12x20![Storage Units for Rent available at 3180 Marginal Road, Charleston, SC 29414]()
SecurCare Self Storage - 3180 Marginal Road, Charleston, SC 29414
- Climate-Controlled
- Indoor
- Drive-Up Access
$62Small 5x10$190Medium 10x10$196Large 10x30![Storage Units for Rent available at 1426 North Highway 17, Mount Pleasant, SC 29464]()
Extra Space Storage - 1426 North Highway 17, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- 24 hour access
$82Small 4x5$224Medium 10x10$615Large 10x20![Storage Units for Rent available at 1439 Folly Road, Charleston, SC 29412]()
Public Storage - 1439 Folly Road, Charleston, SC 29412
- Climate-Controlled
- Indoor
- Drive-Up Access
$41Small 5x5$138Medium 10x10$262Large 10x20![Storage Units for Rent available at 2560 Ashley Phosphate Road, Charleston, SC 29418]()
Public Storage - 2560 Ashley Phosphate Road, Charleston, SC 29418
- Climate-Controlled
- Drive-Up Access
- Retail Available
$91Small 10x6$87Medium 10x10$187Large 10x20![Storage Units for Rent available at 1640 James Nelson Road, Mt Pleasant, SC 29464]()
Extra Space Storage - 1640 James Nelson Road, Mt Pleasant, SC 29464
- Climate-Controlled
- Indoor
- 24 hour access
$82Small 5x4$246Medium 10x10$509Large 10x20![Storage Units for Rent available at 1471 Center Street Ext, Mount Pleasant, SC 29464]()
Extra Space Storage - 1471 Center Street Ext, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- Drive-Up Access
$60Small 5x5$155Medium 10x10$259Large 10x20![Storage Units for Rent available at 58 Belle Point Drive, Mt. Pleasant, SC 29464]()
Go Store It - 58 Belle Point Drive, Mt. Pleasant, SC 29464
- Climate-Controlled
- Indoor
- 24 hour access
$146Small 10x5$182Medium 10x10$258Large 10x20![Storage Units for Rent available at 17 Walnut Street, Charleston, SC 29403]()
Go Store It - 17 Walnut Street, Charleston, SC 29403
- Climate-Controlled
- Indoor
- Retail Available
$35Small 3x3$217Medium 10x10$277Large 20x10![Storage Units for Rent available at 3153-A Maybank Hwy, Charleston, SC 29455]()
Island Storage - 3153-A Maybank Hwy, Charleston, SC 29455
- Climate-Controlled
- Indoor
- Drive-Up Access
![Storage Units for Rent available at 6941 Rivers Avenue, North Charleston, SC 29406]()
Extra Space Storage - 6941 Rivers Avenue, North Charleston, SC 29406
- Climate-Controlled
- Indoor
- 24 hour access
$69Small 5x5$142Medium 8x18$373Large 10x20![Storage Units for Rent available at 3366 Ladson Road, Ladson, SC 29456]()
Public Storage - 3366 Ladson Road, Ladson, SC 29456
- Climate-Controlled
- Indoor
- Drive-Up Access
$16Small 4x4$110Medium 10x10$176Large 10x20![Storage Units for Rent available at 1108 Stockade Lane, Mount Pleasant, SC 29466]()
Extra Space Storage - 1108 Stockade Lane, Mount Pleasant, SC 29466
- Climate-Controlled
- Indoor
- 24 hour access
$50Small 5x10$87Medium 10x10$199Large 10x20![Storage Units for Rent available at 445 Faison Road, Mount Pleasant, SC 29466]()
Public Storage - 445 Faison Road, Mount Pleasant, SC 29466
- Climate-Controlled
- Indoor
- Retail Available
$29Small 5x5$69Medium 10x10$133Large 10x20![Storage Units for Rent available at 2363 Ashley River Road, Charleston, SC 29414]()
Public Storage - 2363 Ashley River Road, Charleston, SC 29414
- Climate-Controlled
- Indoor
- Drive-Up Access
$45Small 5x5$150Medium 10x10$158Large 12x40![Storage Units for Rent available at 1904 North Highway 17, Mount Pleasant, SC 29464]()
Extra Space Storage - 1904 North Highway 17, Mount Pleasant, SC 29464
- Climate-Controlled
- Indoor
- Drive-Up Access
$38Small 5x5$101Medium 10x10$256Large 10x20
Need more options? Browse storage units in other South Carolina cities!
- Charleston, SC from $35/mo
- Columbia, SC from $11/mo
- North Charleston, SC from $33/mo
- North Charleston, SC from $61/mo
- Mount Pleasant, SC from $18/mo
- Rock Hill, SC from $17/mo
- Greenville, SC from $32/mo
- Summerville, SC from $21/mo
- Goose Creek, SC from $29/mo
- Greer, SC from $85/mo
- Spartanburg, SC from $39/mo
- Myrtle Beach, SC from $56/mo
- Hilton Head Island, SC from $25/mo
- Bluffton, SC from $32/mo
- Aiken, SC from $19/mo
- Fort Mill, SC from $25/mo
- Anderson, SC from $55/mo
- Conway, SC from $140/mo
- Mauldin, SC from $15/mo
- Simpsonville, SC from $40/mo
Average storage prices in Charleston County (updated June 2026)
With prices starting at $16, 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 | $83 |
| 5x10 | $83 | $132 |
| 10x10 | $141 | $204 |
| 10x15 | $193 | $303 |
| 10x20 | $266 | $400 |
| 10x30 | $382 | $547 |
| 20x30 | $610 | $588 |
| Average (all sizes) | $247 | $322 |
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 $322 on average, but prices can vary significantly depending on unit size.
The monthly rate for a small, 5X5 climate-controlled unit starts at $83.
A large, 10x30 climate-controlled unit, on the other hand, can cost around $547.
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.