Topanga Canyon Retreat with Additional Lots & Guest House Welcome to 21313 Hillside Dr, a unique Topanga Canyon property offering privacy, space and incredible potential. Surrounded by the natural beauty and relaxed atmosphere of Topanga Canyon, this property offers the perfect blend of character, privacy and opportunity. This two-bedroom, one-bath home complemented by three additional lots, providing a rare opportunity for those looking for extra land in the canyon. The property also features carport and an additional guest house that has not been permitted, offering flexible space for guest, a home office, studio or creative use.