Most listings are in the $20's per square foot per year. The Rahway submarket is seeing a a boost in rates. In the last 3 months, the median rate increased $28 per sqft per year.
In the last 90 days, 3 listings have been listed, which means new availabilities most likley are going fast. You'll want to be prepared to make an offer immediately. About 100% of the available space in the Rahway 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 11,110 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this market are around 2 stories. Most buildings in this area were built in 1952 and are Class B.