Most listings are in the $20's per square foot per year. The Warrenville submarket is going through a a rise in rates. In the last 3 months, the median rate increased $28 per sqft per year.
Compared to the rest of the Chicagoland market, the Warrenville submarket has greater rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 9 listings have been posted online, which means new listings might be leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 33% of the listings in the Warrenville 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,400 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this region were built in 1999 and are Class B.