The typical asking rate per listing is in the $20's per square foot per year. The Porter County submarket is experiencing a an increase in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 10% increase in rent.
In the last 90 days, 15 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 7% of the listings in the Porter County are subleases, so you will probably have to focus your search on direct office leases. 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 market are approximately 1 floors. Most buildings in this market were built in 1980 and are Class B.