On average, listings lease in the $20's per square foot per year. The Kenwood submarket is going through a a rise in rates. In the last 3 months, the median rate rose $7 per sqft per year. That's a 37% rise in rent.
In the last 90 days, 9 listings have come on the market, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
Even though the median size is 4,820 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this area are around 3 floors. Most buildings in this region were built in 1986 and are Class B.