Most listings are in the $30's per square foot per year. The Northwest Philadelphia region is seeing a an increase in rates. In the last 3 months, the median rate went up $32 per sqft per year. That's a Inf% increase in rent.
Compared to the rest of the Philadelphia market, the Northwest Philadelphia submarket has more expensive rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 21 listings have been made available, which means new availabilities might be leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 220 sqft. Most buildings in this market are close to 3 stories. Most buildings in this market were built in 1930 and are Class C.