In the last 90 days, 9 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to make an offer immediately. About 133% of the available space in the University City are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around sqft. Most properties in this area are close to 16 stories. Most buildings in this area were built in 1978 and are Class A.