The typical asking rate per listing is in the $30's per square foot per year. The West Philadelphia submarket is going through a a boost in rates. In the last 3 months, the median rate went up $7 per sqft per year. That's a 28% rise in rent.
Compared to the rest of the Philadelphia market, the West Philadelphia submarket has smaller rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 15 listings have come on the market, which means spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 33% of the listings in the West Philadelphia 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 posted, so finding a space for a small business might be tough.
Even though the median size is 6,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this area are close to 6 floors. Most buildings in this market were built in 1975 and are Class B.