The typical asking rate per listing is in the $10's per square foot per year. The Lombard region is going through a decrease 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 Lombard submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 62 listings have been made available, so you'll want to check back regularly for new listings. About 5% of the available space in the Lombard 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.
Even though the median size is 2,970 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this region are close to 1 stories. Most buildings in this area were built in 1983 and are Class B.