In the last 90 days, 6 listings have come on the market, which means new availabilities most likley are leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 150% of the office spaces in the Rutherford are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
Even though the median size is 26,120 sqft, there are still 0 leases below 2,000 sqft. Most properties in this market are around 12 floors. Most buildings in this area were built in 1975 and are Class C.