Most listings are in the $30's per square foot per year. The Near West Side submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $17 per sqft per year. That's a 87% rise in rent.
Compared to the rest of the Chicagoland market, the Near West Side region has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 19 listings have come on the market, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 5% of the available space in the Near West Side are subleases, so you will probably have to focus your search on direct office leases. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,100 sqft. Most properties in this market are around 5 stories. Most buildings in this area were built in 1925 and are Class B.