The typical asking rate per listing is in the $10's per square foot per year. The Dexter submarket is going through a a rise in rates. In the last 3 months, the median rate increased $16 per sqft per year.
In the last 90 days, 10 listings have been listed, which means spaces are probably going fast. You'll want to be prepared to make an offer immediately. 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 3,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this area were built in 1882 and are Class A.