Most listings are in the $10's per square foot per year. The St. Charles submarket is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 4% decline in rent.
In the last 90 days, 5 listings have been listed, which means spaces might be going fast. You'll want to be prepared to make an offer immediately. 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 2,900 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this market are close to 2 floors. Most buildings in this region were built in 1993 and are Class B.