Set behind gates in a desirable Tarzana neighborhood, 18841 Pasadero Dr presents a unique opportunity with endless potential. This expansive single story residence offers approximately 4,127 square feet of living space on a generous 14,957 square foot lot, featuring 4 bedrooms and 4.5 bathrooms. The property comes with RTI plans for a full interior renovation, allowing a buyer to transform the home into a modern, luxury residence tailored to their vision. Delivered vacant and previously operating as a licensed DHCS facility, the home is fully fenced for privacy and security and includes a converted garage utilized as office space, adding functional versatility. The property is also Joint Commission accredited, meeting all regulatory standards. This offering is ideal for both end users and investors, with the option to continue operating as a detox care facility or reimagine the home for personal use. All furniture, security cameras, equipment, appliances, and internet setup are included, creating a true turnkey opportunity. Assistance with licensing or transferring an existing license is available for an additional fee. The property also includes plans for an SB9, featuring a proposed approximately 800 square foot structure with 3 bedrooms and 2 bathrooms, along with the potential to add up to 6 additional beds. Ideally located near Braemar and El Caballero Country Clubs, Tarzana Village Walk, top dining and shopping, and with easy access to hiking trails and highly rated schools, this is a rare opportunity to acquire a flexible, high upside property in a prime Tarzana location.