The typical asking rate per listing is in the $30's per square foot per year. The Ann Arbor submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $4 per sqft per year. That's a 16% increase in rent.
In the last 90 days, 52 listings have come on the market, so you'll want to check back regularly for new listings. 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 1,880 sqft. Most buildings in this area are around 2 floors. Most buildings in this region were built in 1965 and are Class B.