Most listings are in the $20's per square foot per year. The Danvers submarket is experiencing a a boost in rates. In the last 3 months, the median rate went up $3 per sqft per year. That's a 13% rise in rent.
Compared to the rest of the Greater Boston market, the Danvers submarket has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 33 listings have been made available, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. 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 1,590 sqft. Most properties in this region are around 2 stories. Most buildings in this region were built in 1987 and are Class B.