Most listings are in the $20's per square foot per year. The Metro Detroit submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 6% decline in rent.
Compared to the rest of the Metro Detroit market, the Metro Detroit region has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 1209 listings have come on the market, so you'll want to check back regularly for new listings. About 2% of the available space in the Metro Detroit are subleases, so you will probably have to consider a longer term 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 2,500 sqft. Most properties in this area are approximately 1 stories. Most buildings in this area were built in 1975 and are Class B.