Most listings are in the $20's per square foot per year. The Boone County region is seeing a a rise in rates. In the last 3 months, the median rate increased $0 per sqft per year. That's a 1% increase in rent.
In the last 90 days, 35 listings have come on the market, which means listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 6% of the office spaces in the Boone County are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,680 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 1997 and are Class A.