Most listings are in the $10's per square foot per year. The Neenah submarket is going through a a rise in rates. In the last 3 months, the median rate rose $15 per sqft per year.
In the last 90 days, 6 listings have been listed, which means listings most likley are going fast. 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 2,020 sqft. Most properties in this region are approximately 1 floors. Most buildings in this region were built in 1961 and are Class B.