On average, listings lease in the $20's per square foot per year. The Prairie Village region is experiencing a an increase in rates. In the last 3 months, the median rate went up $22 per sqft per year.
In the last 90 days, 20 listings have been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 250 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this area were built in 1978 and are Class B.