The typical asking rate per listing is in the $10's per square foot per year. The Chesterton region is seeing a a rise in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 8% rise in rent.
Compared to the rest of the Chicagoland market, the Chesterton submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 4 listings have been listed, which means new listings most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 1,200 sqft. Most buildings in this region are close to 3 stories. Most buildings in this region were built in 1965 and are Class C.