Expanded Single-Story Retreat with Detached Studio + attached ADU on a LUSH Private Lot! Welcome to 2433 Calle Narciso--a beautifully UPGRADED & EXPANDED single-story home offering NO interior steps, incredible privacy, and amazing indoor-outdoor spaces. With approximately 2,300sf of living space PLUS a 200sf detached studio and a fully built-out Junior ADU, this property offers TONS of flexibility for multigenerational living, rental income, or simply enjoying incredible bonus space. The curb appeal impresses from the moment you arrive, with an attractive stamped concrete driveway and vibrant landscaping (including an amazing ornamental maple!) that sets the tone for what's to come. A charming front path leads to the upgraded front door, adorned with beveled glass. Inside, you're welcomed by TALL baseboards, crown molding, and handsome upgraded laminate flooring throughout the main living areas. A NEW architectural skylight brightens the Dining Room, which flows into the COMPLETELY REMODELED Kitchen which features QUARTZ countertops, custom cabinetry, mosaic tile backsplashes, stainless-steel Frigidaire Gallery appliances, and a charming coffee/espresso prep nook. The Family Room centers around a stacked-stone wood-burning fireplace and opens seamlessly to the backyard through large glass sliders. The Hall Bathroom has been stylishly upgraded with modern finishes, while two secondary bedrooms enjoy tall windows, plush carpet, and mirrored wardrobe closets. The Primary Suite is a backyard-facing haven with THREE closets, sliding glass doors to its own backyard patio, and a FULLY REMODELED EN-SUITE BATHROOM! Enjoy a Carrera-marble dual-sink vanity, an expanded walk-in shower with pebble mosaic flooring, and a separate water room boasting a standalone soaking tub positioned beneath a picture window which frames the backyard landscapes like artwork. The main home also provides an inside, individual Laundry Room with built-in cabinetry, a 120-bottle wine refrigerator, and direct access to the FINISHED 2-car garage--which is complete with FINISHED walls, painted garage floors, tool bench, and generous built-in cabinetry. The Backyard OASIS enjoys COMPLETELY PRIVACY and is a TRUE green-thumb's dream. A MAGNIFICENT vaulted patio cover with tongue-and-groove ceiling towers above the spacious tile-surfaced patio which rests next to SOARING mature trees, a serene central water feature, artificial grass lawns, pebble walking paths, and a PLETHORA of coveted plants including three types of lavender, jasmine, bamboo, ornamental maple, Meyer lemon, 2 plum trees, apricot, apple, and tangelo! The detached Studio provides approx. 200 SF of bonus space--ideal as an office, yoga studio, gym, or creative space. This light-filled retreat has tall vaulted ceilings, dual sliding glass doors, laminate flooring, and a private deck leading to the above-ground Jacuzzi. An attached Junior ADU is a STELLAR space for guests, in-laws, or income generation, and adds tremendous value with its separate entrance with French doors, full Kitchen with QUARTZ countertops / soft-close cabinetry / stainless-steel appliances, Living Room with vaulted ceilings & mini-split HVAC unit, spacious Bedroom with closet, and 3/4 Bathroom featuring marble-like porcelain tile flooring and a chic porcelain-tiled shower. Additional upgrades include a solar system on purchase plan (just $185/month!), landscape lighting, and drip irrigation throughout the yards. Zoned for the coveted Conejo Valley Unified School District, you enjoy CLOSE proximity to great public & private schools, local parks, tennis courts, hiking/biking trails, shopping, dining, and top-notch community amenities--all with year-round moderate weather. This home is a one-of-a-kind Thousand Oaks sanctuary--flexible, functional, and FULL of charm!