Most listings are in the $20's per square foot per year. The Lake St. Louis submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $5 per sqft per year. That's a 27% increase in rent.
In the last 90 days, 2 listings have been posted online, 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 22,000 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are close to 3 stories. Most buildings in this region were built in 2000 and are Class B.