The typical asking rate per listing is in the $30's per square foot per year. The Van Buren County region is going through a an increase in rates. In the last 3 months, the median rate increased $40 per sqft per year.
In the last 90 days, 4 listings have been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 300% of the listings in the Van Buren County 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 300 sqft. Most buildings in this market are approximately 1 stories. Most buildings in this market were built in 1940 and are Class B.