The typical asking rate per listing is in the $30's per square foot per year. The Westchester submarket is experiencing a an increase in rates. In the last 3 months, the median rate rose $15 per sqft per year. That's a 76% increase in rent.
Compared to the rest of the Chicagoland market, the Westchester submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot region.
In the last 90 days, 55 listings have been posted online, so you'll want to check back regularly for new listings. About 18% of the listings in the Westchester are subleases, so you might be able to sign a shorter term by taking over a previous lease. 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 2,390 sqft. Most properties in this area are close to 2 stories. Most buildings in this area were built in 1986 and are Class A.