Most listings are in the $20's per square foot per year. The Oak Brook submarket is going through a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 6% decrease in rent.
Compared to the rest of the Chicagoland market, the Oak Brook submarket has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 29 listings have come on the market, which means listings might be going fast. You'll want to be prepared to make an offer immediately. About 7% of the available space in the Oak Brook 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 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 2,070 sqft. Most buildings in this area are close to 3 floors. Most buildings in this region were built in 1979 and are Class A.