The typical asking rate per listing is in the $20's per square foot per year. The University City submarket is going through a a boost in rates. In the last 3 months, the median rate went up $23 per sqft per year.
In the last 90 days, 12 listings have been posted online, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 17% of the available space in the University City are subleases, so you might be able to find a shorter term or below market rent. 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 7,500 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this region are close to 1 floors. Most buildings in this region were built in 1959 and are Class B.