Most listings are in the $0's per square foot per year. The Freehold region is going through a decline in rates. In the last 3 months, the median rate fell $30 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 0 listings have been posted online, which means listings are probably leasing quickly. You'll want to be prepared to make an offer immediately. About NaN% of the listings in the Freehold 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.
The standard measurement for office space in this area is around sqft. Most buildings in this area were built in 2008 and are Class B.