The typical asking rate per listing is in the $20's per square foot per year. The Medford region is going through a a rise in rates. In the last 3 months, the median rate went up $11 per sqft per year. That's a 67% rise in rent.
Compared to the rest of the Greater Boston market, the Medford submarket has higher rates, and you'll have to negotiate above asking rent to be in this hot submarket.
In the last 90 days, 14 listings have been made available, which means spaces might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 7% of the available leases in the Medford are subleases, so you will probably need to consider the implications of signing a direct lease with the building. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 700 sqft. Most properties in this area are around 5 stories. Most buildings in this area were built in 1990 and are Class A.