Nestled in the desirable Meadow Homes neighborhood of Fountain Valley, this exceptional property offers two separate units on a spacious 9,880 sqft lot, featuring modern upgrades and generous living space. The remodeled front unit showcases 3 bedrooms, 2.5 bathrooms, and 1,716 sqft of living space. The open-concept kitchen is designed for entertaining, with sleek quartz countertops, and flows seamlessly into a large dining room with a skylight, ceiling fan, and custom-built desk and cabinetry. A separate laundry room with ample storage, plus a half bath, provides added convenience. The expansive living room is highlighted by a stunning stone fireplace and is bathed in natural light from two skylights. The master suite features a walk-in closet, a sit-down vanity make-up station, and a bathroom with resurfaced counters and a walk-in shower. The oversized guest bathroom offers dual sinks and a tub/shower combination. The back unit is a modern ADU built in 2023, offering 3 bedrooms, 2 bathrooms, and approximately 1,200 sqft of living space. It includes a brand-new, paid-off solar system and 3 dedicated parking spaces, plus a separate address for added privacy. Perfectly situated within walking distance to Costco, shopping centers, and with easy access to Freeway 405, this property is ideal for multi-generational living or generating rental income.