The typical asking rate per listing is in the $10's per square foot per year. The Hanahan region is experiencing a a rise in rates. In the last 3 months, the median rate went up $18 per sqft per year.
In the last 90 days, 4 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. 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 4,270 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this region were built in 1980 and are Class B.