In the last 90 days, 4 listings have been listed, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 400% of the available space in the South Side 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 available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,450 sqft. Most buildings in this market are approximately 2 stories. Most buildings in this market were built in 1950 and are Class B.