The typical asking rate per listing is in the $30's per square foot per year. The Newark Metro submarket is going through a an increase in rates. In the last 3 months, the median rate went up $5 per sqft per year. That's a 17% increase in rent.
In the last 90 days, 109 listings have been made available, so you'll want to check back regularly for new listings. About 5% of the available space in the Newark Metro are subleases, so you will probably need to sign a longer term lease with the landlord directly. 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 3,380 sqft, there are still 0 new listings below 2,000 sqft. Most properties in this area are close to 3 stories. Most buildings in this area were built in 1976 and are Class A.