Housing Inventory: Median Days on Market Year-Over-Year in Westchester County, NY was -12.86% in April of 2026, according to the United States Federal Reserve. Historically, Housing Inventory: Median Days on Market Year-Over-Year in Westchester County, NY reached a record high of 79.55 in May of 2020 and a record low of -53.16 in May of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for Housing Inventory: Median Days on Market Year-Over-Year in Westchester County, NY - last updated from the United States Federal Reserve on June of 2026.