The typical asking rate per listing is in the $30's per square foot per year. The Olathe submarket is experiencing a a rise in rates. In the last 3 months, the median rate went up $30 per sqft per year.
In the last 90 days, 11 listings have been posted online, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 173% of the listings in the Olathe are subleases, so you might be able to snag a great spot on a short term. 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 2,000 sqft. Most properties in this region are around 1 stories. Most buildings in this market were built in 1988 and are Class B.