On average, listings lease in the $20's per square foot per year. The Buffalo Grove region is seeing a a boost in rates. In the last 3 months, the median rate went up $8 per sqft per year. That's a 46% increase in rent.
Compared to the rest of the Chicagoland market, the Buffalo Grove region has less expensive rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 10 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 70% of the office spaces in the Buffalo Grove 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 posted, so finding a space for a small business might be tough.
Even though the median size is 5,370 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are close to 1 stories. Most buildings in this market were built in 1989 and are Class A.