Most listings are in the $10's per square foot per year. The University City submarket is going through a a rise in rates. In the last 3 months, the median rate rose $2 per sqft per year. That's a 13% increase in rent.
In the last 90 days, 12 listings have been posted online, which means new availabilities most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 2,640 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are around 2 stories. Most buildings in this area were built in 1960 and are Class B.