Compared to the rest of the Greater Boston market, the Concord region has lower rates, so you should have no trouble finding a great deal in this undervalued region.
In the last 90 days, 9 listings have been made available, which means listings are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,060 sqft. Most buildings in this region are close to 2 floors. Most buildings in this market were built in 1902 and are Class Class B.