Most listings are in the $10's per square foot per year. The Easton submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $16 per sqft per year.
In the last 90 days, 18 listings have been posted online, which means new listings most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 17% of the office spaces in the Easton 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.
The standard measurement for office space in this area is around 2,000 sqft. Most buildings in this market are around 3 floors. Most buildings in this region were built in 1995 and are Class A.