On average, listings lease in the $20's per square foot per year. The Reading region is going through a an increase in rates. In the last 3 months, the median rate increased $20 per sqft per year.
In the last 90 days, 38 listings have been posted online, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 39% of the office spaces in the Reading 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 6,800 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are close to 3 stories. Most buildings in this region were built in 1926 and are Class B.