Compared to the rest of the Chicagoland market, the La Grange submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 4 listings have been listed, which means office spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 780 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 1960 and are Class B.