On average, listings lease in the $10's per square foot per year. The Maynard region is going through a a rise in rates. In the last 3 months, the median rate went up $15 per sqft per year.
Compared to the rest of the Greater Boston market, the Maynard region has lower rates, so you should have no trouble finding a great deal in this discounted submarket.
In the last 90 days, 18 listings have been made available, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 6% of the available leases in the Maynard are subleases, so you will probably need to sign a longer term lease with the landlord directly. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
Even though the median size is 2,570 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this market are approximately 3 stories. Most buildings in this region were built in 1990 and are Class A.