The typical asking rate per listing is in the $30's per square foot per year. The Newton region is going through a decline in rates. In the last 3 months, the median rate fell $1 per sqft per year. That's a 3% decrease in rent.
Compared to the rest of the Greater Boston market, the Newton submarket has greater rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 27 listings have been posted online, which means leases are probably going fast. You'll want to be prepared to tour spaces as quick as possible. About 4% of the listings in the Newton 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 9,600 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this area are close to 3 floors. Most buildings in this market were built in 1973 and are Class A.