Compared to the rest of the Chicagoland market, the Niles region has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 9 listings have been made available, which means leases most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 11% of the listings in the Niles are subleases, so you might be able to find a shorter term or below market rent. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 3,210 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this region are around 1 floors. Most buildings in this market were built in 1957 and are Class C.