Welcome to 10351 Lassen Street in Los Alamitos Nestled in a tranquil cul de sac, this expansive 5 bedroom, 4 bathroom two story pool home offers the perfect blend of comfort, sophistication, and functionality. Thoughtfully updated to meet modern needs while preserving its timeless charm, this home is a haven for both family living and elegant entertaining. Upon arrival, youll be greeted by the homes stately brick and stucco exterior, accented by meticulous landscaping and a welcoming secured front porch entry. Inside, the grand foyer sets a prestigious tone with soaring ceilings, freshly painted walls, engineered wood flooring, and modern LED lighting throughout. The main level boasts a versatile floor plan, including a formal living room with a cozy fireplace that flows seamlessly into the family room or den. (previously a 6th bedroom secondary primary suite), which adds flexibility to the space. Two generously sized guest bedrooms and two stylish bathrooms are also conveniently located on the first floor. The gourmet kitchen is a chefs dream, complete with premium Viking appliances, custom wood cabinetry, a utility sink, a casual dining nook, and a walk in pantry. Adjacent is a versatile bonus room, ideal as a playroom or home office, with direct access to the two car garage. For more formal occasions, the dining room features built in cabinetry and sliding glass doors that open to a beautifully designed backyard, perfect for entertaining. Outdoors, a sparkling pool and spa take center stage, complemented by an elevated deck, an inviting outdoor fireplace, and a BBQ islandyour own private retreat for al fresco dining and relaxation. Upstairs, two additional guest bedrooms are connected by a bathroom and a unique architectural feature of an open second floor common area and veranda overlooking the living room below creates a sense of space and elegance. The primary suite is a true sanctuary (literally). This oversized retreat includes a private beverage bar with a utility sink, three closets (two walk ins), a fireplace, and an adjacent exercise room. The en suite bathroom provides a spa like experience with dual sinks, a makeup vanity, a jetted tub, a walk in shower with steam sauna, bidet and toilet, plus a private balcony. Additional features include a Noritz tankless water heater, HVAC system and a dog run. Ideally located within walking distance to the award winning Los Alamitos High School.