On average, listings lease in the $20's per square foot per year. The Kenwood submarket is going through a an increase in rates. In the last 3 months, the median rate increased $3 per sqft per year. That's a 11% rise in rent.
In the last 90 days, 9 listings have been made available, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. About 144% of the available leases in the Kenwood 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,950 sqft. Most buildings in this area are close to 3 floors. Most buildings in this market were built in 1986 and are Class B.