On average, listings lease in the $20's per square foot per year. The Jackson County submarket is going through a an increase in rates. In the last 3 months, the median rate increased $22 per sqft per year.
In the last 90 days, 4 listings have come on the market, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 200% of the available space in the Jackson County are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 2,100 sqft. Most buildings in this area are approximately 1 stories. Most buildings in this area were built in 1980 and are Class B.