The typical asking rate per listing is in the $20's per square foot per year. The Norwood submarket is going through a a boost in rates. In the last 3 months, the median rate rose $3 per sqft per year. That's a 16% increase in rent.
In the last 90 days, 21 listings have been made available, which means office spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 62% of the available leases in the Norwood are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 7,000 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this area are approximately 2 stories. Most buildings in this market were built in 1993 and are Class A.