The typical asking rate per listing is in the $20's per square foot per year. The Westchester submarket is experiencing a decrease in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 14% decline in rent.
Compared to the rest of the Chicagoland market, the Westchester submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 55 listings have been listed, so you'll want to check back regularly for new listings. About 5% of the office spaces 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.
The standard measurement for office space in this area is around 2,410 sqft. Most buildings in this market are around 2 floors. Most buildings in this area were built in 1986 and are Class A.