On average, listings lease in the $20's per square foot per year. The Warren submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $20 per sqft per year.
Compared to the rest of the Metro Detroit market, the Warren submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 28 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 54% of the available leases in the Warren are subleases, so you might be able to find a shorter term or below market rent. 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 7,230 sqft, there are still 0 listings below 2,000 sqft. Most properties in this region are around 1 floors. Most buildings in this area were built in 1970 and are Class B.