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28 listings with more than 504 climate-controlled storage units in Greater Charleston, Lowcountry, SC

See the latest Greater Charleston storage market trends

Not sure what size you need? See our size guide!

Not sure what size you need? See our size guide!

Check out climate-controlled storage units in nearby cities:

Need more options? Browse storage units in other South Carolina cities!

Browse storage units in all South Carolina cities.

Average storage prices in Greater Charleston (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 SizeNon-Climate-Controlled UnitsClimate-Controlled Units
5x5$42$57
5x10$65$88
10x10$121$150
10x15$158$213
10x20$204$281
10x30$268$355
20x30$507$524
Average (all sizes)$195$238

Note: Street rate data provided by Yardi Matrix.

Check out climate-controlled storage prices in Greater Charleston, Lowcountry, SC

Finding the right climate-controlled storage in Greater Charleston, Lowcountry, SC is crucial for protecting your valuable items. Renting a climate-controlled storage unit in Greater Charleston hovers around $238 on average, but prices can vary significantly depending on unit size.

The monthly rate for a small, 5X5 climate-controlled unit starts at $57.

A large, 10x30 climate-controlled unit, on the other hand, can cost around $355.

There are 28 facilities in Greater Charleston, Lowcountry, SC offering climate-controlled storage options, ensuring you can find a unit that meets your needs.

Average rent for a climate-controlled unit
$238/mo
Average rent for a non climate-controlled unit
$195/mo

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.

Climate-controlled self storage protects belongings from extreme temperatures and humidity.

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.

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.