Most listings are in the $20's per square foot per year. The Hoover submarket is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 4% decline in rent.
Compared to the rest of the Birmingham market, the Hoover submarket has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 48 listings have been posted online, so you'll want to check back regularly for new listings. About 4% of the listings in the Hoover are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,500 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this area were built in 1988 and are Class A.