The typical asking rate per listing is in the $20's per square foot per year. The Lenexa submarket is experiencing a a rise in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 7% rise in rent.
In the last 90 days, 29 listings have come on the market, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 3% of the listings in the Lenexa are subleases, so you will probably have to focus your search on direct office leases. 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 3,080 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are close to 1 floors. Most buildings in this market were built in 1988 and are Class B.