Most listings are in the $30's per square foot per year. The White Plains region is experiencing a decline in rates. In the last 3 months, the median rate decreased $11 per sqft per year. That's a 24% decrease in rent.
In the last 90 days, 40 listings have been made available, which means spaces most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 5% of the available leases in the White Plains are subleases, so you will probably have to consider a longer term lease. 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 5,000 sqft, there are still 0 new availabilities below 2,000 sqft. Most properties in this market are close to 5 floors. Most buildings in this region were built in 1977 and are Class A.