Most listings are in the $20's per square foot per year. The Bucks County region is going through a decrease in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decrease in rent.
In the last 90 days, 187 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the available space in the Bucks County are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 2,100 sqft. Most buildings in this area are close to 2 stories. Most buildings in this area were built in 1988 and are Class B.