Most listings are in the $30's per square foot per year. The Zimmerman region is going through a an increase in rates. In the last 3 months, the median rate rose $32 per sqft per year.
In the last 90 days, 6 listings have come on the market, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 360 sqft. Most buildings in this area are approximately 1 floors. Most buildings in this market were built in 1913.