503 Longden Avenue Beautiful San Gabriel Country Club neighborhood home with gated Recreation Room & Office Quarter in the main house! Bright and spacious North San Gabriel home featuring 5 bedrooms and 3.5 bathrooms with approx. 3, 005 SF of living space plus a stunning vaulted-ceiling recreation room (364 SF) on an approx. 10, 400 SF lot. The inviting living room with a cozy fireplace and breakfast nook overlooks the Country Club, while the updated kitchen connects to the laundry area and side door to the extra-wide driveway and 2 car detached garage for easy convenience. The family room also has a fireplace and is perfect for reading and everyday relaxation, flowing into a spacious dining area and great room with wet bar, opening to a covered patio with outdoor TV and BBQ area—ideal for entertaining. Downstairs offers 3 bedrooms, including 1 that can serve as a private home office. It features lovely double doors, an adjacent sitting patio, and its own private side-gated entrance from the front—excellent for a business office setup—along with 2 bathrooms downstairs, one near the bedrooms and one close to the great room. Upstairs features 2 bedrooms including the primary en-suite with double sinks, soaking tub, walk-in closet. You can turn the recreation room into an ADU. Added features include a detached 2-car garage, paved stone driveway, electric gated access, and recent upgrades such as a newly installed Presidential multi-layer shake composition roof, Carrier dual-zone A/C and furnace system, and new pavers and landscaping. Conveniently situated close to schools, Santa Anita shopping centers, markets, and dining, this location offers easy access to San Marino, South Pasadena, Alhambra, Arcadia, the 10 Freeway, The Huntington Library, Lacy Park, and other attractions.