Most listings are in the $10's per square foot per year. The Lee's Summit submarket is going through a a rise in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 54 listings have come on the market, so you'll want to check back regularly for new listings. About 65% of the available leases in the Lee's Summit 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 3,070 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this region were built in 1995 and are Class B.