Compared to the rest of the Chicagoland market, the Niles submarket has less expensive rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 9 listings have been listed, 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 available space in the Niles 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 available, so finding a space for a small business might be tough.
Even though the median size is 3,210 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this region are around 1 stories. Most buildings in this area were built in 1957 and are Class C.