3374 Onyx Circle Highly sought after New Monterey Gem neighborhood. This turnkey 5-bedroom, 2.5-bath home--including one bedroom downstairs--offers 2, 321 sq. ft. of beautifully updated living space on a cul-de-sac with gated side parking for a boat or recreational equipment, a 3-car garage, and no HOA, all set behind a gated courtyard entrance with pavers, mature landscaping, and a stacked-stone fountain. An etched-glass front door opens to a tiled entry highlighted by a glass chandelier. Wood-like tile flooring extends throughout the lower level, complemented by plantation shutters and crown molding. The step-down living room overlooks the courtyard and flows into the formal dining room beneath a second glass chandelier. Designed for gathering, the kitchen features granite countertops, soft-close cabinetry, recessed lighting, Samsung stainless steel appliances, a walk-in pantry, and a generous breakfast bar overlooking the family room, where a dramatic floor-to-ceiling tiled fireplace wall with a white wood mantel and built-in display cabinetry creates a stunning focal point beneath a large picture window, while an adjacent sliding glass door provides seamless access to the backyard. Outdoor living is designed for both relaxation and entertaining, with a covered patio with lighting, a spa, low-maintenance landscaping, mature greenery, a stacked-stone planter, and a gated side yard for added functionality. A graceful, curved staircase leads to the upper level, where the spacious primary suite offers a walk-in closet with built-in shelving and an updated en-suite bath featuring a dual-sink granite vanity, soft-close cabinetry, and a tiled walk-in shower with a glass enclosure, shampoo niche, and combination handheld and fixed showerheads. Three additional bedrooms--one featuring a wall closet with built-in drawers and organizers--share an updated hall bath with a light wood vanity, and a tiled tub/shower with a shampoo niche. The climate-controlled 3-car garage includes built-in storage and a workbench, while an extra-wide paver-lined driveway and gated side parking add everyday convenience. Turnkey and thoughtfully updated, this exceptional Simi Valley home offers the hard-to-find combination of five bedrooms, a downstairs bedroom, a 3-car garage, gated side parking, a cul-de-sac location, and no HOA--all conveniently located near shopping, parks, hiking trails, and everyday amenities.