Most listings are in the $10's per square foot per year. The Fall River submarket is going through a a boost in rates. In the last 3 months, the median rate rose $16 per sqft per year.
Compared to the rest of the Greater Boston market, the Fall River submarket has less expensive rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 18 listings have come on the market, which means spaces might be leasing quickly. You'll want to be prepared to make an offer immediately. 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 2,500 sqft. Most buildings in this region are approximately 2 stories. Most buildings in this region were built in 1900 and are Class C.