On average, listings lease in the $30's per square foot per year. The Town and Country region is experiencing a an increase in rates. In the last 3 months, the median rate increased $31 per sqft per year.
In the last 90 days, 24 listings have come on the market, which means new availabilities are probably going fast. You'll want to be prepared to make an offer immediately. About 8% of the available leases in the Town and Country are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 3,050 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are around 6 floors. Most buildings in this area were built in 1988 and are Class B.