Most listings are in the $20's per square foot per year. The Rutherford region is seeing a an increase 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 been posted online, which means new availabilities are probably leasing quickly. You'll want to be prepared to make an offer immediately. 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 800 sqft. Most buildings in this market are around 12 stories. Most buildings in this market were built in 1982 and are Class C.