Most listings are in the $10's per square foot per year. The Bensenville submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $17 per sqft per year.
Compared to the rest of the Chicagoland market, the Bensenville region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 10 listings have been made available, which means new listings might be leasing quickly. You'll want to be prepared to make an offer immediately. About 150% of the office spaces in the Bensenville 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,590 sqft. Most buildings in this area are close to 1 floors. Most buildings in this area were built in 1979 and are Class A.