Beautiful Country Club neighborhood home with gated office quarter & separate studio! Bright and spacious North San Gabriel home bordering San Marino with brand new roof, featuring 5 bedrooms & 3 bathrooms with approx. 3,005 SF of living space plus a stunning vaulted-ceiling studio that can be converted into an ADU, on an approx 10,400 SF large lot. The inviting living room with a cozy fireplace and breakfast nook overlooks the golf course while the updated kitchen connects to the laundry area and side door. The family room also has a fireplace and is perfect for daily gatherings & 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 social entertaining. Downstairs offer 3 bedrooms, including 1 that can be served 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. Upstairs features 2 bedrooms including the primary en-suite with double sinks, soaking tub, walk-in closet. Added features include a detached 2-car garage, paved stone extra-wide driveway, electric gated access, and recent upgrades such as a newly installed multi-layer shake composition roof, Carrier HVAC dual-zone control A/C and furnace system, newer water heater, refinished hardwood floor & cabinets, new pavers and landscaping. Conveniently situated close to schools, Santa Anita shopping centers, markets and restaurant. Huntington Library, Lacy Park etc. This location offers easy access to San Marino, South Pasadena, Alhambra, Arcadia, the 10 Freeway,

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Property Details of 503 Longden Avenue

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Listed by Chuhui Huang of Re/Max Premier Prop Arcadia (626-641-7678)

Based on information submitted to CRMLS as of May 15, 2026 12:56 PM EDT . All data is deemed reliable but is not guaranteed accurate by the MLS. All information should be independently reviewed and verified for accuracy. IDX information is provided exclusively for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

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