Located on a beautiful tree-lined street in Altadena's sought-after President Streets neighborhood, 2139 Grand Oaks Avenue offers a rare combination of charm, flexibility, and location. Built in 1954, the property features a 1,538-square-foot, single-story home with three bedrooms, two bathrooms, newly refinished hardwood floors, and abundant natural light. A permitted 392-square-foot detached guest house provides additional living space ideal for extended family, guests, a home office, or a creative studio. Situated on an 8,018-square-foot lot, the backyard offers ample space for entertaining, gardening or simply enjoying the outdoors. Mature trees and the stunning backdrop of the San Gabriel Mountains enhance the property's setting while maintaining the character that makes Altadena so desirable. Located near Eaton Canyon, hiking trails, and the shopping and dining of Pasadena, this home offers easy access to both outdoor recreation and everyday amenities. Whether you're looking for a home with room to grow, space for multi-generational living, or the added value of a permitted guest house, 2139 Grand Oaks Avenue is an exceptional opportunity in one of Altadena's most sought-after neighborhoods. Welcome home!