Compared to the rest of the Greater Boston market, the Beverly region has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 34 listings have come on the market, which means office spaces most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 6% of the available leases in the Beverly are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 4,040 sqft, there are still 0 spaces below 2,000 sqft. Most properties in this area are around 4 floors. Most buildings in this market were built in 1985 and are Class A.