On average, listings lease in the $20's per square foot per year. The La Grange region is experiencing a a rise in rates. In the last 3 months, the median rate rose $28 per sqft per year.
Compared to the rest of the Chicagoland market, the La Grange submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 4 listings have come on the market, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 properties in this area are close to 2 stories. Most buildings in this market were built in 1986 and are Class B.