Most listings are in the $20's per square foot per year. The Rutherford submarket is experiencing a a boost in rates. In the last 3 months, the median rate rose $26 per sqft per year. That's a Inf% rise in rent.
In the last 90 days, 3 listings have come on the market, which means listings are probably going fast. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 800 sqft. Most properties in this region are approximately 12 stories. Most buildings in this area were built in 1982 and are Class C.