Most listings are in the $10's per square foot per year. The Washington Mills submarket is experiencing a an increase in rates. In the last 3 months, the median rate rose $18 per sqft per year.
In the last 90 days, 1 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 100% of the available leases in the Washington Mills 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 posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,200 sqft. Most properties in this region are approximately 1 stories. Most buildings in this region were built in 1994 and are Class B.