Most listings are in the $20's per square foot per year. The South Plainfield region is going through a decline in rates. In the last 3 months, the median rate decreased $3 per sqft per year. That's a 14% decrease in rent.
In the last 90 days, 11 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. 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 3,240 sqft, there are still 0 new listings below 2,000 sqft. Most buildings in this market are close to 1 floors. Most buildings in this market were built in 1989 and are Class A.