RVParkStore.com has 7 RVs for Sale in Westchester County, NY. Find the perfect RV, camper, or motorhome in Westchester County, NY. The current average listing price is around $27,612. RV prices in Westchester County, NY have decreased approximately 32% compared to the 12-month average price of $40,458. Listing prices currently range from about $6,495 to $67,500 depending on the size, age, and mileage of the vehicle.