On average, listings lease in the $0's per square foot per year. The Downtown Greenwich submarket is going through a decrease in rates. In the last 3 months, the median rate decreased $95 per sqft per year. That's a 100% decline in rent.
In the last 90 days, 29 listings have been listed, which means listings most likley are going fast. You'll want to be prepared to make an offer immediately. 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 region are close to 3 floors. Most buildings in this area were built in 1970 and are Class A.
Not much of the real estate is used for commercial space, so it might be hard to find office space. Manufacturing is the dominant industry in this market. Most of the folk of Downtown Greenwich work from home. Commuting close to an hour a day is the norm for those who opt to reside in this part of town.