Most listings are in the $30's per square foot per year. The Essex County submarket is going through a a boost in rates. In the last 3 months, the median rate rose $7 per sqft per year. That's a 25% increase in rent.
In the last 90 days, 23 listings have been posted online, which means office spaces are probably going fast. You'll want to be prepared to make an offer immediately. About 4% of the office spaces in the Essex County 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 2,800 sqft, there are still 0 spaces below 2,000 sqft. Most buildings in this market are close to 2 stories. Most buildings in this region were built in 1969 and are Class B.