The typical asking rate per listing is in the $70's per square foot per year. The Lynn submarket is going through a a rise in rates. In the last 3 months, the median rate rose $71 per sqft per year.
Compared to the rest of the Greater Boston market, the Lynn region has more expensive rates, and you'll need to make a great offer to be in this hot submarket.
In the last 90 days, 2 listings have been made available, which means new listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 490 sqft. Most properties in this area are close to 5 floors. Most buildings in this region were built in 1967 and are Class B.