The typical asking rate per listing is in the $10's per square foot per year. The Norwood submarket is going through a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 12% decline in rent.
In the last 90 days, 20 listings have been made available, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 5% of the listings in the Norwood are subleases, so you will probably have to focus your search on direct office leases. 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 5,660 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are close to 3 floors. Most buildings in this area were built in 1993 and are Class A.