On average, listings lease in the $20's per square foot per year. The Northfield submarket is going through a a rise in rates. In the last 3 months, the median rate rose $25 per sqft per year. That's a Inf% increase in rent.
Compared to the rest of the Chicagoland market, the Northfield submarket has higher rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 3 listings have been made available, which means leases most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,250 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are close to 2 stories. Most buildings in this market were built in 1983 and are Class B.