First time ever on the market! Meticulously and lovingly maintained over the years, this pristine Westmont pool home is a rare Fountain Valley treasure, set on an extra-large 10,660 square foot lot backing to Tamura Elementary School in a highly sought-after neighborhood. This stunning 4 bedroom, 3 bath home with over 1,900 SQFT has been masterfully upgraded throughout with modern luxury finishes and offers a truly one-of-a-kind backyard that feels like your own private tropical resort. Enjoy a sparkling vinyl pool w/diving board & slide, 2 covered patios, an expansive deck area ideal for major entertaining, 2 custom-built sheds, lush lawn, manicured landscaping, and a tranquil fountain - your own private oasis from the outside world. The light & bright open-concept design features wide-plank vinyl flooring, dual-pane windows, extensive LED recessed lighting, two-panel interior doors, mirrored closet doors, and ceiling fans. The gorgeous remodeled kitchen boasts quartz countertops, subway tile backsplash, stainless appliances, custom self-closing White Oak cabinetry, and breakfast bar w/chic designer pendant lighting. The kitchen flows seamlessly to the spacious dining area, impressive living room with stacked-stone fireplace, and a wonderful family room/sunroom overlooking the spectacular backyard. The main level includes 3 bedrooms & 2 baths, including the primary suite. Both bathrooms have been beautifully upgraded w/newer vanities, tile flooring & travertine-style tile surrounds, including one with a tub/shower combination and another with an oversized walk-in shower. Additional conveniences include an inside laundry room just off the kitchen & direct access to the garage, which includes an added storage room/workshop and a designer roll-up garage door. Upstairs, the bonus room/4th ensuite bedroom offers incredible flexibility with its own kitchenette featuring quartz counters, White Oak cabinetry, and a sink, plus sliding glass doors that open to a large covered balcony overlooking the resort-style backyard, with stairs leading directly down to the pool area. This versatile space is ideal for multi-generational living, guest quarters, a private retreat, or a potential rental opportunity, subject to buyer verification of any applicable requirements. With refreshing ocean breezes, close proximity to shopping, dining, and award-winning schools, plus a giant lot in a wonderful neighborhood, this exceptional home is truly a rare find all the way around.