RVParkStore.com has 1 RVs for Sale in Riverside County, NY. Find the perfect RV, camper, or motorhome in Riverside County, NY. The current average listing price is around $149,990. RV prices in Riverside County, NY have remained unchanged at approximately 0% compared to the 12-month average price of $149,990. Listing prices currently range from about $149,990 to $149,990 depending on the size, age, and mileage of the vehicle.