In the last 90 days, 20 listings have been listed, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 5% of the available space in the Florissant 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.
The standard measurement for office space in this area is around sqft. Most buildings in this region are around 2 stories. Most buildings in this region were built in 1975 and are Class C.