The typical asking rate per listing is in the $20's per square foot per year. The Brockton submarket is seeing a a boost in rates. In the last 3 months, the median rate went up $22 per sqft per year.
Compared to the rest of the Greater Boston market, the Brockton submarket has less expensive rates, so you should have no trouble finding a great deal in this discounted region.
In the last 90 days, 16 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 106% of the available leases in the Brockton are subleases, so you might be able to find a shorter term or below market rent. 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 1,040 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region were built in 1988 and are Class C.