On average, listings lease in the $20's per square foot per year. The Downtown Charleston region is going through a a boost in rates. In the last 3 months, the median rate rose $26 per sqft per year.
In the last 90 days, 5 listings have come on the market, which means leases might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 40% of the listings in the Downtown 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 810 sqft. Most buildings in this market are around 15 floors. Most buildings in this market were built in 1984 and are Class B.
A large portion of this area is residential, but there's plenty of office_space. Public administration is the dominant industry in this market. Commute by walking is the most popular way to get to work amongst Downtown Charleston folk. Commuting close to 30 minutes a day is the norm for those who opt to reside in this part of town.