On average, listings lease in the $20's per square foot per year. The Overland Park region is going through a a boost in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 1% increase in rent.
In the last 90 days, 242 listings have been posted online, so you'll want to check back regularly for new listings. About 4% of the listings in the Overland Park are subleases, so you will probably have to consider a longer term lease. 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 5,000 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this market were built in 1984 and are Class B.