Most listings are in the $20's per square foot per year. The Manhattan region is experiencing a decline in rates. In the last 3 months, the median rate decreased $2 per sqft per year. That's a 9% decline in rent.
In the last 90 days, 35 listings have been posted online, which means spaces are probably leasing quickly. You'll want to be prepared to make an offer immediately. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,170 sqft. Most buildings in this market are approximately 2 floors. Most buildings in this market were built in 1984 and are Class C.