On average, listings lease in the $10's per square foot per year. The Lombard submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 4% rise in rent.
Compared to the rest of the Chicagoland market, the Lombard submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 86 listings have come on the market, so you'll want to check back regularly for new listings. About 3% of the office spaces 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 on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,410 sqft. Most properties in this market are close to 1 stories. Most buildings in this market were built in 1983 and are Class B.