Compared to the rest of the Chicagoland market, the West Chicago region has lower rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 8 listings have come on the market, which means office spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,230 sqft. Most properties in this area are approximately 1 floors. Most buildings in this region were built in 1979 and are Class C.