Most listings are in the $30's per square foot per year. The White Plains submarket is going through a a rise in rates. In the last 3 months, the median rate rose $38 per sqft per year.
In the last 90 days, 40 listings have been made available, which means leases might be going fast. You'll want to be prepared to tour spaces as quick as possible. About 145% of the available leases in the White Plains 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.
Even though the median size is 4,020 sqft, there are still 0 listings below 2,000 sqft. Most properties in this area are around 5 stories. Most buildings in this area were built in 1977 and are Class A.