The typical asking rate per listing is in the $20's per square foot per year. The Dover region is seeing a an increase in rates. In the last 3 months, the median rate increased $24 per sqft per year.
Compared to the rest of the Greater Boston market, the Dover submarket has smaller rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 44 listings have been posted online, so you'll want to check back regularly for new listings. About 36% of the listings in the Dover are subleases, so you might be able to snag a great spot on a short term. 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 1,300 sqft. Most buildings in this market are close to 2 floors. Most buildings in this market were built in 1940 and are Class B.