RVParkStore.com has 1 RVs for Sale in San Juan County, TX. Find the perfect RV, camper, or motorhome in San Juan County, TX. The current average listing price is around $99,900. RV prices in San Juan County, TX have remained unchanged at approximately 0% compared to the 12-month average price of $99,900. Listing prices currently range from about $99,900 to $99,900 depending on the size, age, and mileage of the vehicle.