On average, listings lease in the $30's per square foot per year. The Upper Saddle River region is going through a a boost in rates. In the last 3 months, the median rate went up $34 per sqft per year.
In the last 90 days, 9 listings have been made available, which means new availabilities are probably leasing quickly. You'll want to be prepared to tour spaces as quick as possible. About 11% of the available space in the Upper Saddle River 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.
Even though the median size is 4,020 sqft, there are still 0 office spaces below 2,000 sqft. Most buildings in this market are approximately 3 floors. Most buildings in this area were built in 1986 and are Class B.