RVParkStore.com has 1 RVs for Sale in Sonoma County, CO. Find the perfect RV, camper, or motorhome in Sonoma County, CO. The current average listing price is around $59,900. RV prices in Sonoma County, CO have remained unchanged at approximately 0% compared to the 12-month average price of $59,900. Listing prices currently range from about $59,900 to $59,900 depending on the size, age, and mileage of the vehicle.