Most listings are in the $20's per square foot per year. The Shelby County region is experiencing a a boost in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 9% increase in rent.
In the last 90 days, 28 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 4% of the available leases in the Shelby County are subleases, so you will probably have to consider a longer term lease. 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 3,000 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this area were built in 1999 and are Class A.