Compared to the rest of the Greater Boston market, the Brockton region has lower rates, so you should have no trouble finding a great deal in this depreciated submarket.
In the last 90 days, 16 listings have been listed, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 50% 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 posted, so finding a space for a small business might be tough.
Even though the median size is 4,200 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are around 2 floors. Most buildings in this market were built in 1988 and are Class C.