Compared to the rest of the Chicagoland market, the Northwest Side region has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 75 listings have been made available, so you'll want to check back regularly for new listings. About 1% of the available space in the Northwest Side are subleases, so you will probably have to consider a longer term lease. 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 1,320 sqft. Most buildings in this area are approximately 2 floors. Most buildings in this area were built in 1950 and are Class A.