The typical asking rate per listing is in the $10's per square foot per year. The Oak Park submarket is going through a a boost in rates. In the last 3 months, the median rate rose $16 per sqft per year.
Compared to the rest of the Metro Detroit market, the Oak Park region has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 13 listings have been made available, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 3,870 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this market were built in 1960 and are Class Class C.