On average, listings lease in the $10's per square foot per year. The Vestavia Hills submarket is going through a a rise in rates. In the last 3 months, the median rate rose $17 per sqft per year.
Compared to the rest of the Birmingham market, the Vestavia Hills submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 10 listings have come on the market, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 230% of the listings in the Vestavia Hills 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 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 1,950 sqft. Most buildings in this area are close to 3 stories. Most buildings in this region were built in 1986 and are Class B.