Most listings are in the $10's per square foot per year. The Shawnee region is seeing a an increase in rates. In the last 3 months, the median rate rose $16 per sqft per year.
In the last 90 days, 5 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. 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 120 sqft. Most properties in this area are around 3 floors. Most buildings in this area were built in 1940.