Nestled within Altadena's 'Little New York' enclave, discover the grandeur of this magnificent Monterey Colonial estate offering the perfect blend of historic charm and modern living. Proudly situated on an expansive lot and set back from the main street by a hedged median, this property provides a unique blend of privacy and functionality. The main residence, a gracious two-story home, boasts 5 beds, two bonus rooms, and 5 baths, and a separate guest house at the rear of the property provides an additional 1 bed and 1 bath. A picturesque brick-lined walkway and mature landscaping greets your approach, and the long driveway is gated at the house and flanked by majestic palms. A welcoming foyer ushers you into an elegant formal living room with high ceilings, a stately fireplace, and large windows that bathe the room in natural light. An adjacent separate family room, graced by a second fireplace, provides versatile options for comfortable living and entertaining. The central dining room serves as an ideal gathering place, easily accessible from multiple rooms and offering a seamless flow to the outdoor patio through French doors. The kitchen is well-appointed with quartz counters, a center island with a cooktop, double ovens, dedicated breakfast area, and direct access to the sprawling backyard. A bedroom suite at the rear of the home offers ideal guest accommodations, while a second bedroom with a vaulted wood-beamed ceiling can be an office or den. A half bath and dedicated laundry area complete the lower level. Upstairs, a large landing welcomes you to three generously sized en-suite bedrooms and a bonus room. The oversized primary suite is both spacious and versatile, with access to the bonus room and private balcony. The primary bath, adorned with marble, features an oversized shower, dedicated tub, and built-in storage. Two additional bedrooms, each with their own baths and large closets complete the upper level. Perfect for entertaining, the property features a flat rear yard, covered patio, and a sparkling pool and spa. Adding to the prestige of this stunning estate is a fully equipped 1 bed, 1 bath guest house with kitchen and central air/heat which sits above the 3-car garage. Additional property features include two-zone central air/heat, wood floors throughout, newer roof, newer pool fencing and gates, and fresh paint inside and out. This extraordinary offering of one of Altadena's premiere estates is a rare and remarkable opportunity!