Most listings are in the $20's per square foot per year. The Cave Spring submarket is going through a a rise in rates. In the last 3 months, the median rate went up $6 per sqft per year. That's a 33% rise in rent.
In the last 90 days, 9 listings have come on the market, which means office 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 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 properties in this market are around 2 floors. Most buildings in this market were built in 1988 and are Class B.