The typical asking rate per listing is in the $0's per square foot per year. The Fort Mill region is going through a decline in rates. In the last 3 months, the median rate fell $37 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 0 listings have been made available, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About NaN% of the listings in the Fort Mill are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 sqft. Most properties in this market are around 3 floors. Most buildings in this region were built in 1971 and are Class B.