On average, listings lease in the $30's per square foot per year. The Roseland region is seeing a an increase in rates. In the last 3 months, the median rate increased $33 per sqft per year.
Compared to the rest of the Essex County market, the Roseland region has smaller rates, so you should have no trouble finding a great deal in this undervalued submarket.
In the last 90 days, 27 listings have been made available, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About 7% of the available leases in the Roseland are subleases, so you will probably have to consider a longer term lease. 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 31,620 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region are approximately 4 stories. Most buildings in this market were built in 1983 and are Class A.