Most listings are in the $20's per square foot per year. The South Jersey region is going through a an increase in rates. In the last 3 months, the median rate rose $1 per sqft per year. That's a 6% rise in rent.
In the last 90 days, 402 listings have been listed, so you'll want to check back regularly for new listings. About 1% of the available leases in the South Jersey are subleases, so you will probably have to focus your search on direct office leases. 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 2,520 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are around 2 stories. Most buildings in this market were built in 1986 and are Class A.