The typical asking rate per listing is in the $10's per square foot per year. The St. Clair County region is going through a decrease in rates. In the last 3 months, the median rate decreased $1 per sqft per year. That's a 7% decline in rent.
Compared to the rest of the Metro Detroit market, the St. Clair County region has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 28 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 4% of the available leases in the St. Clair County 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 posted, so finding a space for a small business might be tough.
Even though the median size is 2,520 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this region are close to 1 stories. Most buildings in this market were built in 1972 and are Class B.