Most listings are in the $20's per square foot per year. The Jefferson County region is going through a a rise in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 9% rise in rent.
In the last 90 days, 236 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the available leases in the Jefferson 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 available, so finding a space for a small business might be tough.
Even though the median size is 2,840 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this market were built in 1982 and are Class B.