On average, listings lease in the $40's per square foot per year. The Rockford region is experiencing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 7% increase in rent.
In the last 90 days, 2 listings have been listed, which means new listings 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 950 sqft. Most properties in this region are around 1 floors. Most buildings in this area were built in 0 and are Class Class A.