Most listings are in the $30's per square foot per year. The Downtown Charleston submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $9 per sqft per year. That's a 18% decline in rent.
In the last 90 days, 30 listings have come on the market, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 10% of the available space in the Downtown Charleston are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 2,820 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are close to 3 floors. Most buildings in this region were built in 1966 and are Class A.
A large portion of this market is residential, but there's plenty of office_space. Professional services is the dominant industry in this area. Commute by car is the most popular way to get to work amongst Downtown Charleston folk. Commuting between 30 and 45 minutes a day is the norm for those who opt to reside in this part of town.