Most listings are in the $20's per square foot per year. The Prairie Village region is going through a a rise in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 8% rise in rent.
In the last 90 days, 20 listings have been made available, which means office spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 15% of the available space in the Prairie Village 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,430 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this region were built in 1972 and are Class B.