The typical asking rate per listing is in the $20's per square foot per year. The Rutherford submarket is going through a a rise in rates. In the last 3 months, the median rate increased $26 per sqft per year.
In the last 90 days, 5 listings have been listed, which means spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 40% of the listings in the Rutherford 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 available, so finding a space for a small business might be tough.
Even though the median size is 4,650 sqft, there are still 0 new availabilities below 2,000 sqft. Most buildings in this area are approximately 12 floors. Most buildings in this region were built in 1982 and are Class A.