On average, listings lease in the $20's per square foot per year. The Mount Kisco submarket is seeing a a rise in rates. In the last 3 months, the median rate went up $1 per sqft per year. That's a 3% rise in rent.
In the last 90 days, 2 listings have come on the market, which means office spaces are probably going fast. You'll want to be prepared to tour spaces as quick as possible. 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 4,300 sqft, there are still 0 leases below 2,000 sqft. Most buildings in this region were built in 1986 and are Class B.