The typical asking rate per listing is in the $20's per square foot per year. The Charleston County submarket is going through a a boost in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 2% increase in rent.
In the last 90 days, 233 listings have come on the market, so you'll want to check back regularly for new listings. About 136% of the available space in the Charleston County 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 1986 and are Class A.