Most listings are in the $10's per square foot per year. The Trussville region is going through a decrease in rates. In the last 3 months, the median rate fell $11 per sqft per year. That's a 35% decrease in rent.
Compared to the rest of the Birmingham market, the Trussville submarket has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 7 listings have been posted online, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 29% of the available space in the Trussville are subleases, so you might be able to snag a great spot on a short term. 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 1,500 sqft. Most buildings in this area are around 2 stories. Most buildings in this area were built in 2000 and are Class A.