Most listings are in the $10's per square foot per year. The Birmingham region is going through a decline in rates. In the last 3 months, the median rate fell $4 per sqft per year. That's a 18% decrease in rent.
Compared to the rest of the Birmingham market, the Birmingham submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 63 listings have been made available, so you'll want to check back regularly for new listings. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,640 sqft. Most properties in this market are approximately 2 floors. Most buildings in this region were built in 1979 and are Class B.