On average, listings lease in the $10's per square foot per year. The Westmont region is seeing a a rise in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 4% rise in rent.
Compared to the rest of the Chicagoland market, the Westmont region has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 23 listings have come on the market, which means leases are probably going fast. You'll want to be prepared to make an offer immediately. About 130% of the office spaces in the Westmont are subleases, so you might be able to snag a great spot on a short term. 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 2,040 sqft. Most buildings in this market are close to 1 floors. Most buildings in this market were built in 1985 and are Class B.