This is a rare opportunity to own a significant 1917 Spanish Colonial Revival estate in the heart of South Pasadena, designed by acclaimed architect Reginald D. Johnson, one of Southern California's most influential residential designers. Set on a gracious lot, this distinguished residence blends historic elegance with thoughtful updates accumulated over more than a century of stewardship.The home features grandly scaled rooms, classic proportions, and enduring architectural details that reflect Johnson's refined vision--plaster walls, tile rooflines, graceful arches, and an effortless indoor-outdoor flow. The residence includes three bedrooms and four bathrooms, generous living spaces ideal for entertaining, and a flexible floor plan that has evolved to meet modern living needs.The grounds are equally compelling, with a 353 sq. ft. guest house, swimming pool and spa, mature landscaping, and private outdoor areas designed for both relaxation and gathering. A hobby space and carport add functionality, while numerous system upgrades--including roofing, HVAC, and electrical improvements--enhance comfort and peace of mind.Originally built for Donald O'Melveny of the founding family behind O'Melveny & Myers, this home carries a rich legacy and has been lovingly held by the same family for over sixty years. Recognized by the City of South Pasadena with a 3B historic classification, the property is potentially eligible for individual listing on the National Register of Historic Places and contributes to a proposed historic district.A truly timeless architectural residence, ideally located near South Pasadena's schools, parks, and charming village amenities--this is a home of rare provenance, architectural importance, and enduring beauty.