Most listings are in the $50's per square foot per year. The Hoboken submarket is going through a a rise in rates. In the last 3 months, the median rate rose $53 per sqft per year.
In the last 90 days, 9 listings have come on the market, which means listings most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 111% of the available leases in the Hoboken are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 2,250 sqft. Most buildings in this area are around 7 floors. Most buildings in this area were built in 1987 and are Class C.