On average, listings lease in the $20's per square foot per year. The St. Clair County submarket is experiencing a an increase in rates. In the last 3 months, the median rate rose $9 per sqft per year. That's a 54% rise in rent.
Compared to the rest of the Metro Detroit market, the St. Clair County region has greater rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 28 listings have come on the market, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 4% of the listings in the St. Clair County are subleases, so you will probably have to focus your search on direct office leases. 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 550 sqft. Most properties in this area are close to 1 floors. Most buildings in this region were built in 1972 and are Class B.