On average, listings lease in the $20's per square foot per year. The Bessemer submarket is experiencing a an increase in rates. In the last 3 months, the median rate increased $24 per sqft per year.
Compared to the rest of the Birmingham market, the Bessemer submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 0 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About Inf% of the available leases in the Bessemer are subleases, so you might be able to find a shorter term or below market rent. 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 2,000 sqft. Most buildings in this region are around 1 stories. Most buildings in this region were built in 1973 and are Class A.