Compared to the rest of the Chicagoland market, the Humboldt Park region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 6 listings have come on the market, which means new availabilities are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 17% of the available space in the Humboldt Park 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.
The standard measurement for office space in this area is around 400 sqft. Most buildings in this market are close to 3 stories. Most buildings in this market were built in 1950 and are Class B.