Most listings are in the $20's per square foot per year. The St. Louis County region is seeing a a rise in rates. In the last 3 months, the median rate increased $6 per sqft per year. That's a 31% increase in rent.
In the last 90 days, 89 listings have been posted online, so you'll want to check back regularly for new listings. About 1% of the listings 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 on the market, so finding a space for a small business might be tough.
Even though the median size is 3,980 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this region are approximately 3 floors. Most buildings in this market were built in 1964 and are Class B.