On average, listings lease in the $20's per square foot per year. The Greater Boston submarket is seeing a an increase in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 6% increase in rent.
In the last 90 days, 872 listings have been posted online, so you'll want to check back regularly for new listings. About 4% of the available space in the Greater Boston are subleases, so you will probably have to consider a longer term lease. 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 4,300 sqft, there are still 0 office spaces below 2,000 sqft. Most properties in this market are around 2 stories. Most buildings in this market were built in 1963 and are Class A.