On average, listings lease in the $40's per square foot per year. The Downtown Charleston region is experiencing a decrease in rates. In the last 3 months, the median rate fell $0 per sqft per year. That's a 0% decline in rent.
In the last 90 days, 30 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 100% of the available leases in the Downtown Charleston are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,900 sqft. Most properties in this area are approximately 2 floors. Most buildings in this region were built in 1916 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 market. 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.