The typical asking rate per listing is in the $20's per square foot per year. The Wentzville submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 6 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 2,960 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this market were built in 1983 and are Class A.