Ramona Real Estate, Ramona Homes & Ranches, Ramona Estates. San Diego Country Estates home sales. Specializing in Ramona, San Diego Country Estates homes, Mt. Woodson, Highland Valley, Rangeland, and points east to Santa Ysable. Horse properties and Land. From West End Ramona, Mt. Woodson and Highland Valley, to Rancho Santa Teresa, Lake Sutherland, and Old Julian Areas.