Most listings are in the $20's per square foot per year. The Birmingham submarket is going through a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 6% increase in rent.
Compared to the rest of the Birmingham market, the Birmingham submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 105 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the listings in the Birmingham 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 posted, so finding a space for a small business might be tough.
Even though the median size is 3,780 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are close to 2 floors. Most buildings in this market were built in 1977 and are Class B.