In the last 90 days, 10 listings have been made available, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 5,500 sqft, there are still 0 leases below 2,000 sqft. Most properties in this area are around 4 floors. Most buildings in this market were built in 1920 and are Class B.