Most listings are in the $20's per square foot per year. The North Charleston region is going through a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 13% rise in rent.
In the last 90 days, 64 listings have come on the market, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,730 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are around 2 stories. Most buildings in this region were built in 1991 and are Class A.