On average, listings lease 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 fell $7 per sqft per year. That's a 25% decrease 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 depreciated region.
In the last 90 days, 28 listings have come on the market, which means spaces might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 75% of the office spaces in the St. Clair County are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 5,600 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are around 1 floors. Most buildings in this market were built in 1973 and are Class B.