Most listings are in the $20's per square foot per year. The Kansas City region is going through a a boost in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 16% increase in rent.
In the last 90 days, 64 listings have been posted online, so you'll want to check back regularly for new listings. About 13% of the available space in the Kansas City are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 11,780 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 1967 and are Class B.