Most listings are in the $20's per square foot per year. The River West region is going through a a rise in rates. In the last 3 months, the median rate went up $2 per sqft per year. That's a 11% rise in rent.
In the last 90 days, 2 listings have been posted online, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 100% of the available space in the River West are subleases, so you might be able to find a shorter term or below market rent. 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 4,640 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are around 2 floors. Most buildings in this area were built in 1989 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Utilities is the dominant industry in this region. Most of the residents of River West work from home. Commuting approximately 30 minutes a day is the norm for those who opt to reside in this part of town.