RVParkStore.com has 4 RVs for Sale in Castle Pines, CO. Find the perfect RV, camper, or motorhome in Castle Pines, CO. The current average listing price is around $29,513. RV prices in Castle Pines, CO have decreased approximately 18% compared to the 12-month average price of $36,158. Listing prices currently range from about $12,500 to $69,700 depending on the size, age, and mileage of the vehicle.