The typical asking rate per listing is in the $10's per square foot per year. The Boone County submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $16 per sqft per year.
In the last 90 days, 3 listings have been listed, which means office spaces might be going fast. You'll want to be prepared to make an offer immediately. About 100% of the office spaces in the Boone County are subleases, so you might be able to find a shorter term or below market rent. 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 1,200 sqft. Most properties in this region are close to 1 floors. Most buildings in this market were built in 1925 and are Class B.