Most listings are in the $30's per square foot per year. The Jefferson County region is experiencing a a boost in rates. In the last 3 months, the median rate increased $32 per sqft per year.
In the last 90 days, 2 listings have been listed, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 300% of the office spaces in the Jefferson County are subleases, so you might be able to sign a shorter term by taking over a previous 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 5,230 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are around 2 stories. Most buildings in this area were built in 1978 and are Class B.