RVParkStore.com has 1 RVs for Sale in Essex County, ME. Find the perfect RV, camper, or motorhome in Essex County, ME. The current average listing price is around $19,950. RV prices in Essex County, ME have remained unchanged at approximately 0% compared to the 12-month average price of $19,950. Listing prices currently range from about $19,950 to $19,950 depending on the size, age, and mileage of the vehicle.