Most listings are in the $20's per square foot per year. The St. Louis County submarket is going through a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 4% increase in rent.
In the last 90 days, 106 listings have been posted online, so you'll want to check back regularly for new listings. About 72% of the office spaces in the St. Louis County are subleases, so you might be able to snag a great spot on a short term. 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 9,250 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are close to 3 stories. Most buildings in this region were built in 1959 and are Class B.