Compared to the rest of the Chicagoland market, the Humboldt Park submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 6 listings have been made available, which means new listings are probably going fast. You'll want to be prepared to make an offer immediately. About 17% of the available leases in the Humboldt Park are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 400 sqft. Most buildings in this area are approximately 3 floors. Most buildings in this region were built in 1950 and are Class B.