Charleston Self Storage Market Statistics:

Rent Prices, Local Inventory and Development Trends (October 2021)

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 $117/month, a change of 14.7% compared to last year. Nationally, self storage street rates for 10×10 non-climate-controlled units saw a 8.5% year-over-year change, registering an average of $128 in October, 2021.

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 $43, while a 5x10 unit would cost $68/month. Average street rates for a 10x20 unit stand at $186/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 $43
5x10 $68
10x10 $117
10x15 $161
10x20 $186
10x30 $250
Climate-Controlled Units*
Unit Size Avg. Street Rate
5x5 $64
5x10 $100
10x10 $157
10x15 $224
10x20 $281
10x30 $449

* Average monthly rates for Charleston in October 2021.

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 storage units in Charleston in Daniel Island, where the standard self storage unit goes for $114/mo. on average, in Cherokee Hall - Sylvan Shores, where renters pay $135/mo. on average, and in Grimball - Signal Point, where the average street rates hover around $150/mo.

If you’re looking for other great deals, check out listings in Woodland Shores - Pecan Grove and Dupont Area - Orleans, where self storage street rates start at $14/mo. and $15/mo., respectively.

Other neighborhoods, on the other hand, come with higher street rates. The most expensive neighborhood in Charleston is Air Harbor - Geddes Hall with a monthly average street rate of $195, followed by Silver Hill - Magnolia.

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 Bluffton, SC $121
2 Hilton Head Island, SC $119
3 Charleston, SC $117
4 Beaufort, SC $113
5 Ridgeland, SC $96
6 Goose Creek, SC $94
7 North Charleston, SC $93
8 North Charleston, SC $93
9 Summerville, SC $90
10 Ladson, SC $89

Average street rates for non-climate-controlled 10x10 units for October 2021.

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 $247
2 Phoenix, AZ $127
3 Las Vegas, NV $125
4 Austin, TX $119
5 Charleston, SC $117
6 Dallas, TX $116
7 Tucson, AZ $114
8 San Antonio, TX $109
9 Houston, TX $95
10 Indianapolis, IN $86

Average street rates for non-climate-controlled 10x10 units for October 2021.

Self storage market size in Charleston, SC

Charleston self storage market statistics

No. of self storage units approx. 1,892
No. of self storage facilities 32
Local self storage inventory (sq. ft.) 1,655,305
Self storage sq. ft. per capita 5.7
New self storage facilities set for delivery in 2021 2
New self storage supply set for delivery in 2021 (sq. ft.) 85,476
Average self storage rent in Charleston for a standard 10x10 unit $117

Charleston self storage construction trends

The self storage sector has maintained an active development pipeline in recent years. In 2020 alone, about 72,465 square feet of self storage space came online in Charleston, representing 4.4% of the existing inventory.

Currently, there are 32 self storage facilities and approx. 1,892 storage units in Charleston. The local inventory encompasses 1,655,305 square feet of storage space, offering 5.7 square feet per capita.

A total of 85,476 square feet of self storage space is projected for completion in 2021.

What’s driving demand for self storage?

Quick overview of the Charleston housing market

Total no. of households 55,889
Y-o-y change in no. of households 1.6%
Renter households in Charleston 24,836
Homeowner households in Charleston 31,053
Households with mortgages in Charleston 21,923
Median number of rooms (all housing units) 5.4
Average apartment size (sq. ft.) 967
Average home size (sq. ft.) N/A
Average apartment rent $1,663
Median home value $331,100
Working from home (# of total working population) 4.5%

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 24,836 renters and 31,053 homeowners. The average apartment size in Charleston is 967 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.

Self storage interest: How customers search for Charleston self storage

Interest for self storage has been growing over the last decade, as Google Trends data shows. We’ve looked at the most popular keyword used in conjunction with Charleston self storage-related searches, "self storage", to see the latest trends in consumer search habits. June, July and August are generally the most popular months for self storage searches.

Data Source:  Google Trends

Self storage market trends in cities

Where does our data come from?

All data related to self storage was compiled by STORAGECafé, an online self storage search portal featuring more than 25,000 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 29,000 self storage facilities across the U.S.