Most listings are in the $10's per square foot per year. The Lombard submarket is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decline in rent.
Compared to the rest of the Chicagoland market, the Lombard region has lower rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 93 listings have been made available, so you'll want to check back regularly for new listings. About 3% of the listings in the Lombard are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,970 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are around 1 floors. Most buildings in this region were built in 1984 and are Class B.