Most listings are in the $30's per square foot per year. The Richland region is experiencing a a boost in rates. In the last 3 months, the median rate rose $16 per sqft per year. That's a 75% increase in rent.
In the last 90 days, 6 listings have been listed, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,490 sqft. Most buildings in this market are around 2 floors. Most buildings in this region were built in 1994 and are Class B.