Charleston Self Storage Market Statistics:

Rent Prices, Local Inventory and Development Trends (March 2026)

Self storage has become crucial for navigating major life events. It can be particularly useful for events such as moving, downsizing and when changes in household composition occur, as well as when engaging in home remodeling projects and organizational endeavors. Charleston offers plenty of self storage options to cater to all needs and budgets.

How much does a storage unit cost in Charleston, SC?

Currently, the average cost of a 10x10 storage unit in Charleston is $124/month, a decrease of 3.1% compared to last year. Nationally, self storage street rates for 10×10 non-climate-controlled units saw a 2.5% year-over-year decrease, registering an average of $118 in March, 2026.

Charleston self storage prices by unit size

Besides the standard 10x10 unit, the Charleston self storage market includes several other types of units that can vary in terms of size and amenities, and naturally, price.

For instance, a 5x5 self storage unit in Charleston rents for $42, while a 5x10 unit would cost $74/month. Average street rates for a 10x20 unit stand at $197/month. Non-climate-controlled units typically come with lower price tags than their climate-controlled counterparts of the same size.

Non-Climate-Controlled Units*

Unit Size	Avg. Street Rate
5x5	$42
5x10	$74
10x10	$124
10x15	$161
10x20	$197
10x30	$268

Climate-Controlled Units*

Unit Size	Avg. Street Rate
5x5	$53
5x10	$88
10x10	$146
10x15	$213
10x20	$280
10x30	$434

* Average monthly rates for Charleston in March 2026.

Average storage unit cost in Charleston by neighborhood

Self storage prices can vary depending on location as some neighborhoods might offer more budget-friendly self storage rates than others.

You can find cheap Charleston storage units in Grimball - Signal Point, where the standard self storage unit goes for $136/mo. on average, in Cherokee Hall - Sylvan Shores, where renters pay $137/mo. on average, and in Woodland Shores - Pecan Grove, where the average street rates hover around $145/mo.

If you’re looking for other great deals, check out self storage listings, and their average street rates, in Cannonborough - Elliottborough ($147) and Daniel Island ($148).

Other neighborhoods, on the other hand, come with higher street rates. The most expensive neighborhood in Charleston is Dupont Area - Orleans with a monthly average street rate of $186, followed by Pierpont.

Cheapest Neighborhoods for Self Storage

#	Neighborhood	Average Street Rate
1	Grimball - Signal Point	$136
2	Cherokee Hall - Sylvan Shores	$137
3	Woodland Shores - Pecan Grove	$145

Most Expensive Neighborhoods for Self Storage

#	Neighborhood	Average Street Rate
1	Dupont Area - Orleans	$186
2	Pierpont	$183
3	Air Harbor - Geddes Hall	$178

Compare average storage prices in Charleston neighborhoods

Neighborhood prices

Whether you'd prefer a storage unit near your home, your office or somewhere else in the city, you can compare two of your preferred neighborhoods by selecting them on the left.

Charleston avg. rent

Neighborhood #1

Neighborhood #2

Want to find the best self storage deals? Browse listings in your preferred Charleston neighborhoods and Charleston Zip Codes for more details on what’s available and compare rent prices, unit sizes and amenities.

How Charleston, SC, Self Storage Compares With Other Cities

How self storage costs in Charleston compare to prices in other nearby cities

Check out the table below to see how self storage in Charleston compares rent-wise to other places in the state of South Carolina.

#	City	Average Street Rate
1	Hilton Head Island, SC	$130
2	Charleston, SC	$124
3	Beaufort, SC	$108
4	Port Royal, SC	$107
5	Goose Creek, SC	$102
6	North Charleston, SC	$101
7	North Charleston, SC	$101
8	Summerville, SC	$95
9	Ridgeland, SC	$81
10	Ladson, SC	$77

Average street rates for non-climate-controlled 10x10 units for March 2026.

How self storage costs in Charleston compare to rates in other sought-after cities in the US

Check out the table below to see how self storage rent in Charleston compares to other popular cities in the US.

#	City	Average Street Rate
1	New York City, NY	$257
2	Charleston, SC	$124
3	Las Vegas, NV	$112
4	Phoenix, AZ	$111
5	Jacksonville, FL	$110
6	Dallas, TX	$106
7	Austin, TX	$106
8	San Antonio, TX	$97
9	Houston, TX	$96
10	Oklahoma City, OK	$73

Average street rates for non-climate-controlled 10x10 units for March 2026.

Self storage market size in Charleston, SC

Charleston self storage market statistics

No. of self storage units	approx. 2,856
No. of self storage facilities	33
Local self storage inventory (sq. ft.)	1,916,748
Self storage sq. ft. per capita	6.4
New self storage facilities set for delivery in 2026	2
New self storage supply set for delivery in 2026 (sq. ft.)	190,852
Average self storage rent in Charleston for a standard 10x10 unit	$124

Charleston self storage construction trends

The self storage sector has maintained an active development pipeline in recent years.

Currently, there are 33 self storage facilities and approx. 2,856 storage units in Charleston. The local inventory encompasses 1,916,748 square feet of storage space, offering 6.4 square feet per capita.

A total of 190,852 square feet of self storage space is projected for completion in 2026.

What’s driving demand for self storage?

Quick overview of the Charleston housing market

Total no. of households	69,588
Y-o-y change in no. of households	-1.7%
Renter households in Charleston	29,784
Homeowner households in Charleston	39,804
Households with mortgages in Charleston	28,702
Median number of rooms (all housing units)	5.2
Average apartment size (sq. ft.)	980
Average home size (sq. ft.)	N/A
Average apartment rent	$2,101
Median home value	$534,500
Working from home (% of total working population)	N/A

Self storage for residential clients: key facts and figures about the Charleston housing market

Generally associated with life events, the self storage industry is equipped to respond to people with changing housing situations, whether that means moving, downsizing, welcoming a new baby, or embracing multi-generational living. Lifestyle choices are also a demand driver for self storage, including preferences for snowbirding, digital nomading and RV travelling.

Looking at the type of residential customers that the Charleston self storage sector serves, it caters to both renters and homeowners, acting as extensions of their homes when living spaces are not big enough for the things people own.

Charleston is home to 29,784 renters and 39,804 homeowners. The average apartment size in Charleston is 980 sq. ft.

Self storage for business

Alongside the residential sector, self storage responds to needs arising from conducting business. Entrepreneurs and small business owners, including brick-and-mortar retailers, can turn to self storage to store their merchandise all while keeping it accessible.

Legal and medical professionals often turn to self storage as they are generally required to keep hard copies of their records. Realtors and interior designers also find self storage particularly useful for temporarily storing staging furniture. Moreover, blue collar businesses can benefit from storing their heavy equipment and supplies close to their work site.

Explore self storage market trends across top U.S. cities

Where does our data come from?

All data related to self storage was compiled by StorageCafe, an online self storage search portal featuring nearly 31,000 listings across the U.S.

The self storage rental statistics on this page were sourced from our sister company, Yardi Matrix, the industry's most comprehensive market intelligence tool for investment professionals, equity investors, lenders and property managers who underwrite and manage investments in the multifamily, student housing, self storage, office and industrial sectors. Yardi Matrix maintains operational profiles for over 40,000 self storage facilities across the U.S.

Average home size data is from PropertyShark, while demographic data is from the latest U.S. Census Bureau release, the 2020 American Community Survey.