The typical asking rate per listing is in the $20's per square foot per year. The St. Louis County submarket is going through a decrease in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 14% decline in rent.
In the last 90 days, 106 listings have been listed, so you'll want to check back regularly for new listings. About 3% of the office spaces in the St. Louis County are subleases, so you will probably need to consider the implications of signing a direct lease with the building. 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 2,650 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this region are around 3 stories. Most buildings in this region were built in 1961 and are Class B.