Most listings are in the $10's per square foot per year. The Chesterton submarket is experiencing a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 7% decline in rent.
Compared to the rest of the Chicagoland market, the Chesterton region has lower rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 5 listings have come on the market, which means spaces are probably 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 posted, 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 area are around 3 floors. Most buildings in this area were built in 2005 and are Class Class A.