On average, listings lease in the $20's per square foot per year. The Willow Street region is experiencing a a boost in rates. In the last 3 months, the median rate increased $24 per sqft per year.
In the last 90 days, 5 listings have been listed, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,200 sqft. Most buildings in this region are approximately 1 stories. Most buildings in this market were built in 1970 and are Class B.