Most listings are in the $20's per square foot per year. The Charleston submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $26 per sqft per year.
In the last 90 days, 133 listings have been made available, so you'll want to check back regularly for new listings. About 39% of the available leases in the Charleston are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,830 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are around 2 stories. Most buildings in this area were built in 1986 and are Class A.