On average, listings lease in the $10's per square foot per year. The Peabody region is going through a an increase in rates. In the last 3 months, the median rate increased $18 per sqft per year.
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 depreciated region.
In the last 90 days, 11 listings have been listed, which means new listings are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 18% of the available space in the Peabody are subleases, so you might be able to snag a great spot on a short term. 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 1,900 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this market were built in 1985 and are Class B.