539 Tustin Avenue Welcome to a rare offering in Newport Heights—one of Newport Beach’s most sought-after neighborhoods, where opportunities like this are few and far between. Recently upgraded and expanded, this coastal modern residence is a masterclass in refined design, effortless comfort, and the ultimate Southern California indoor-outdoor lifestyle. Bathed in natural light throughout the day, the home invites you to enjoy sun-soaked living from the front entertaining deck and manicured yard to the spectacular backyard retreat. Inside, a beautifully curated open-concept layout blends the kitchen, living, and dining spaces into one seamless setting—ideal for elevated everyday living and unforgettable entertaining. Step into your own private resort. The newly constructed backyard entertainer’s paradise features a sparkling pool with baja shelf and spa, a generous lounging and dining deck, a dual-sided fireplace for gathering under the stars, and thoughtfully designed outdoor kitchen with top of the line Blaze grill, flat top griddle, double-burner stove, 2 refrigerators, and Ice Maker—perfect for long coastal evenings and year-round enjoyment. The oversized primary suite offers a tranquil escape, complete with a custom expanded walk-in closet and peaceful views of the backyard oasis. Recent enhancements include solid wood bi-fold doors, designer-updated bathrooms with custom vanities, an expanded laundry room with added storage, and central air and heat for modern comfort. Adding even more value and flexibility, the garage has been updated with new mechanicals and a custom glass panel garage door. Architectural and structural plans are also included for a future second-story casita/ADU above the garage, featuring a rooftop deck designed to capture ocean-sunset views—an extraordinary opportunity in this premier location. Walk your dogs around amazing Cliff Drive Park and just moments from the best of Newport Beach—17th Street dining and boutiques, the beach, Back Bay trails, Lido Marina Village, PCH, and Cliff Park—this home captures the essence of Newport Heights living: vibrant, walkable, and effortlessly coastal.