On average, listings lease in the $10'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 $2 per sqft per year. That's a 12% rise in rent.
In the last 90 days, 0 listings have been posted online, which means leases most likley are going fast. You'll want to be prepared to make an offer immediately. About Inf% of the available space in the Medford are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet on the market, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,800 sqft. Most properties in this market are approximately 1 floors. Most buildings in this market were built in 1992 and are Class B.