Most listings are in the $20's per square foot per year. The Hickory submarket is going through a an increase in rates. In the last 3 months, the median rate went up $10 per sqft per year. That's a 59% increase in rent.
In the last 90 days, 12 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,970 sqft. Most buildings in this area are around 2 stories. Most buildings in this market were built in 1980 and are Class A.