The typical asking rate per listing is in the $20's per square foot per year. The Westchester submarket is seeing a decline in rates. In the last 3 months, the median rate fell $10 per sqft per year. That's a 30% decline in rent.
Compared to the rest of the Chicagoland market, the Westchester region has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 55 listings have been made available, so you'll want to check back regularly for new listings. About 5% of the available leases in the Westchester are subleases, so you will probably have to consider a longer term lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 2,890 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are approximately 2 stories. Most buildings in this market were built in 1986 and are Class A.