Most listings are 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 $7 per sqft per year. That's a 32% increase in rent.
In the last 90 days, 9 listings have been listed, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 1,840 sqft. Most properties in this region are approximately 3 stories. Most buildings in this area were built in 1986 and are Class B.