Most listings are in the $20's per square foot per year. The Norristown submarket is seeing a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 11% decline in rent.
In the last 90 days, 3 listings have been listed, which means spaces most likley are leasing quickly. 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 3,580 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are around 4 stories. Most buildings in this region were built in 1955 and are Class C.