Compared to the rest of the Chicagoland market, the Hillside submarket has higher rates, and you'll need to pay a premium to be in this hot region.
In the last 90 days, 16 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. 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 1,400 sqft. Most buildings in this region are around 2 floors. Most buildings in this region were built in 1985 and are Class B.