On average, listings lease in the $20's per square foot per year. The Olathe submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 17% rise in rent.
In the last 90 days, 17 listings have been made available, which means spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 6% of the listings in the Olathe are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 4,020 sqft, there are still 0 leases below 2,000 sqft. Most properties in this region are approximately 1 stories. Most buildings in this market were built in 1988 and are Class B.