Compared to the rest of the Greater Boston market, the Somerville submarket has higher rates, and you'll need to pay a premium to be in this hot submarket.
In the last 90 days, 34 listings have been made available, which means new listings 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 2,000 sqft. Most properties in this area are close to 4 stories. Most buildings in this market were built in 1989 and are Class B.