On average, listings lease in the $20's per square foot per year. The Passaic County submarket is going through a a rise in rates. In the last 3 months, the median rate went up $21 per sqft per year.
In the last 90 days, 51 listings have been posted online, so you'll want to check back regularly for new listings. About 57% of the available space in the Passaic County are subleases, so you might be able to find a shorter term or below market rent. 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 2,250 sqft. Most properties in this market are around 2 floors. Most buildings in this region were built in 1975 and are Class B.