On average, listings lease in the $10's per square foot per year. The Munster submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $18 per sqft per year.
Compared to the rest of the Chicagoland market, the Munster region has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 1 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 700% of the available leases in the Munster are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 properties in this area are close to 2 stories. Most buildings in this region were built in 1978 and are Class A.