Most listings are in the $20's per square foot per year. The Northwest Harwich submarket is seeing a an increase in rates. In the last 3 months, the median rate increased $21 per sqft per year.
Compared to the rest of the Greater Boston market, the Northwest Harwich submarket has smaller rates, so you should have no trouble finding a great deal in this depreciated region.
In the last 90 days, 2 listings have been posted online, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. 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 230 sqft. Most properties in this area are close to 2 floors. Most buildings in this market were built in 1948 and are Class A.