Most listings are in the $10's per square foot per year. The Peabody submarket is going through a a rise in rates. In the last 3 months, the median rate went up $16 per sqft per year. That's a Inf% rise in rent.
Compared to the rest of the Greater Boston market, the Peabody submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 1 listings have been posted online, which means spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. 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 2,030 sqft. Most buildings in this region are close to 2 stories. Most buildings in this area were built in 1985 and are Class B.