The typical asking rate per listing is in the $30's per square foot per year. The Birmingham region is going through a an increase in rates. In the last 3 months, the median rate rose $40 per sqft per year.
Compared to the rest of the Metro Detroit market, the Birmingham submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 14 listings have been made available, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. About 57% of the office spaces in the Birmingham are subleases, so you might be able to sign a shorter term by taking over a previous 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 2,200 sqft. Most properties in this region are approximately 2 floors. Most buildings in this region were built in 1970 and are Class B.