It depends on when the sale takes place. If you sell so that you will have used the home for at least two years within the five years before the sale, you will be able to take the exclusion. If it takes a long time to sell and you are no longer using the New York home as your residence, you may be out of luck.
Writing off the cost of depreciable property over a period of years, usually its class life or recovery period specified in the tax law.