Most listings are in the $20's per square foot per year. The Lenexa submarket is going through a a boost in rates. In the last 3 months, the median rate increased $29 per sqft per year.
In the last 90 days, 34 listings have come on the market, which means spaces most likley are going fast. You'll want to be prepared to make an offer immediately. About 62% of the available leases in the Lenexa are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 10,230 sqft, there are still 0 listings below 2,000 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this region were built in 1986 and are Class B.