On average, listings lease in the $10's per square foot per year. The Porter County submarket is seeing a decrease in rates. In the last 3 months, the median rate fell $3 per sqft per year. That's a 13% decrease in rent.
In the last 90 days, 7 listings have been listed, which means leases 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,230 sqft. Most buildings in this market are close to 1 floors. Most buildings in this area were built in 1979 and are Class B.