The typical asking rate per listing is in the $10's per square foot per year. The Easton submarket is seeing a a boost in rates. In the last 3 months, the median rate rose $16 per sqft per year.
In the last 90 days, 18 listings have been made available, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. About 17% of the available leases in the Easton are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet on the market, 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 properties in this area are approximately 3 stories. Most buildings in this market were built in 1995 and are Class A.