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 increased $2 per sqft per year. That's a 8% increase in rent.
In the last 90 days, 7 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 29% of the office spaces in the River West 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,380 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region 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 market. Most of the occupants 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.