Welcome to 1660 Oak Grove, San Marino--an extraordinary chance to own in one of the city's most prestigious neighborhoods near the iconic Huntington Library. This expansive 30,932 sq ft lot is a rare gem, offering unparalleled potential for customization and transformation in a location known for exclusivity and enduring value. With access to San Marino's top-rated schools, proximity to Lacy Park, and just minutes from vibrant Pasadena, this property combines luxury, comfort, and convenience in the heart of Southern California. The current structure features a spacious layout ready for a complete reimagination. Highlights include a formal living and dining room, a paneled library with a fireplace, an open family room that connects to the lush backyard and pool, and a galley kitchen with direct access to the garage. The home also includes a first-floor suite, while upstairs boasts a master suite with a sitting room, fireplace, en suite bath, and three additional bedrooms. The vast backyard, complete with a swimming pool and ample outdoor space, provides endless possibilities to craft your dream estate. This is your chance to design a masterpiece and make a lasting investment in one of San Marino's most coveted locations. Don't miss this opportunity--schedule your private tour today and explore the potential of 1660 Oak Grove!