On average, listings lease in the $20's per square foot per year. The Michigan region is going through a a rise in rates. In the last 3 months, the median rate went up $0 per sqft per year. That's a 0% rise in rent.
In the last 90 days, 2789 listings have been made available, so you'll want to check back regularly for new listings. About 2% of the available space in the Michigan are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,370 sqft. Most buildings in this market are around 1 stories. Most buildings in this market were built in 1968 and are Class B.