Compared to the rest of the Chicagoland market, the Wheaton submarket has higher rates, and you'll need to make a great offer to be in this hot region.
In the last 90 days, 126 listings have been posted online, so you'll want to check back regularly for new listings. About 2% of the available space in the Wheaton are subleases, so you will probably have to focus your search on direct office leases. 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 640 sqft. Most buildings in this area are close to 2 floors. Most buildings in this region were built in 1988 and are Class B.