The typical asking rate per listing is in the $20's per square foot per year. The Johnson County region is seeing a decrease in rates. In the last 3 months, the median rate decreased $0 per sqft per year. That's a 1% decrease in rent.
In the last 90 days, 25 listings have been posted online, which means spaces are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 4% of the listings in the Johnson 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 1,520 sqft. Most properties in this area are close to 1 stories. Most buildings in this market were built in 1978 and are Class B.