On average, listings lease in the $20's per square foot per year. The St. Louis submarket is experiencing a a boost in rates. In the last 3 months, the median rate increased $2 per sqft per year. That's a 12% increase in rent.
Compared to the rest of the St. Louis market, the St. Louis region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 106 listings have been posted online, so you'll want to check back regularly for new listings. About 3% of the listings in the St. Louis are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 4,360 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are approximately 3 stories. Most buildings in this market were built in 1961 and are Class B.